ALGEBRA I (Common Core)
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1 The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION ALGEBRA I (Common Core) Wednesday, June 17, :15 to 4:15 p.m. MODEL RESPONSE SET Table of Contents Question Question Question Question Question Question Question Question Question Question Question Question Question
2 Question Graph the function y x 3 on the set of axes below. Explain how the graph of y x 3 has changed from the related graph y x. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [2]
3 Question Graph the function y x 3 on the set of axes below. Explain how the graph of y x 3 has changed from the related graph y x. Score 1: The student drew the graph correctly, but gave no explanation. Algebra I (Common Core) June 15 [3]
4 Question Graph the function y x 3 on the set of axes below. Explain how the graph of y x 3 has changed from the related graph y x. Score 1: The student made one graphing error by drawing an incomplete absolute value graph. Algebra I (Common Core) June 15 [4]
5 Question Graph the function y x 3 on the set of axes below. Explain how the graph of y x 3 has changed from the related graph y x. Score 1: The student made a transformation error. Algebra I (Common Core) June 15 [5]
6 Question Graph the function y x 3 on the set of axes below. Explain how the graph of y x 3 has changed from the related graph y x. Score 0: The student made a graphing error and gave an incomplete explanation. Algebra I (Common Core) June 15 [6]
7 Question Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write a function, f(x), to represent how much money Alex collected from selling tickets. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [7]
8 Question Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write a function, f(x), to represent how much money Alex collected from selling tickets. Score 1: The student gave a correct response, but followed it with incorrect work. Algebra I (Common Core) June 15 [8]
9 Question Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write a function, f(x), to represent how much money Alex collected from selling tickets. Score 1: The student did not write an equation using f(x). Algebra I (Common Core) June 15 [9]
10 Question Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write a function, f(x), to represent how much money Alex collected from selling tickets. Score 1: The student wrote an appropriate expression. Algebra I (Common Core) June 15 [10]
11 Question Alex is selling tickets to a school play. An adult ticket costs $6.50 and a student ticket costs $4.00. Alex sells x adult tickets and 12 student tickets. Write a function, f(x), to represent how much money Alex collected from selling tickets. Score 0: The student gave a completely incorrect response. Algebra I (Common Core) June 15 [11]
12 Question John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x) 60 5x. The total amount of money Sarah will save is given by the function g(x) x After how many weeks, x, will they have the same amount of money saved? Explain how you arrived at your answer. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [12]
13 Question John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x) 60 5x. The total amount of money Sarah will save is given by the function g(x) x After how many weeks, x, will they have the same amount of money saved? Explain how you arrived at your answer. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [13]
14 Question John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x) 60 5x. The total amount of money Sarah will save is given by the function g(x) x After how many weeks, x, will they have the same amount of money saved? Explain how you arrived at your answer. Score 1: The student gave no explanation. Algebra I (Common Core) June 15 [14]
15 Question John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x) 60 5x. The total amount of money Sarah will save is given by the function g(x) x After how many weeks, x, will they have the same amount of money saved? Explain how you arrived at your answer. Score 1: The student made one error. The student copied 5x as 5x. Algebra I (Common Core) June 15 [15]
16 Question John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x) 60 5x. The total amount of money Sarah will save is given by the function g(x) x After how many weeks, x, will they have the same amount of money saved? Explain how you arrived at your answer. Score 0: The student made one copying error and gave no explanation. Algebra I (Common Core) June 15 [16]
17 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [17]
18 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [18]
19 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [19]
20 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 1: The student did correct work to find the difference but showed no further correct work. Algebra I (Common Core) June 15 [20]
21 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 1: The student did not subtract correctly. Algebra I (Common Core) June 15 [21]
22 Question If the difference (3x 2 2x 5) (x 2 3x 2) is multiplied by 1 2 x2, what is the result, written in standard form? Score 0: The student made several errors when subtracting and multiplying. Algebra I (Common Core) June 15 [22]
23 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [23]
24 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [24]
25 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 1: The student expressed the rate incorrectly. Algebra I (Common Core) June 15 [25]
26 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 1: The student made a mistake when rounding. Algebra I (Common Core) June 15 [26]
27 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 1: The student used an incorrect sign in the formula, but solved and rounded correctly. Algebra I (Common Core) June 15 [27]
28 Question Dylan invested $600 in a savings account at a 1.6% annual interest rate. He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually. Find, to the nearest cent, the balance in the account after 2 years. Score 0: The student used an incorrect procedure and rounded incorrectly. Algebra I (Common Core) June 15 [28]
29 Question Determine the smallest integer that makes 3x 7 5x 15 true. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [29]
30 Question Determine the smallest integer that makes 3x 7 5x 15 true. Score 1: The student made an error by not reversing the inequality symbol, but gave an appropriate response. Algebra I (Common Core) June 15 [30]
31 Question Determine the smallest integer that makes 3x 7 5x 15 true. Score 0: The student made an error by not reversing the inequality symbol and did not state the smallest integer. Algebra I (Common Core) June 15 [31]
32 Question The residual plots from two different sets of bivariate data are graphed below Explain, using evidence from graph A and graph B, which graph indicates that the model for the data is a good fit. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [32]
33 Question The residual plots from two different sets of bivariate data are graphed below Explain, using evidence from graph A and graph B, which graph indicates that the model for the data is a good fit. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [33]
34 Question The residual plots from two different sets of bivariate data are graphed below Explain, using evidence from graph A and graph B, which graph indicates that the model for the data is a good fit. Score 1: The student gave an incomplete explanation. Algebra I (Common Core) June 15 [34]
35 Question The residual plots from two different sets of bivariate data are graphed below Explain, using evidence from graph A and graph B, which graph indicates that the model for the data is a good fit. Score 1: The student made a conceptual error. Algebra I (Common Core) June 15 [35]
36 Question The residual plots from two different sets of bivariate data are graphed below Explain, using evidence from graph A and graph B, which graph indicates that the model for the data is a good fit. Score 0: The student made a completely incorrect response. Algebra I (Common Core) June 15 [36]
37 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [37]
38 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 2: The student has a complete and correct response. Algebra I (Common Core) June 15 [38]
39 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 1: The student did correct work to find 4.1, but gave the units as square feet. Algebra I (Common Core) June 15 [39]
40 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 1: The student gave a correct equation, but showed no further correct work. Algebra I (Common Core) June 15 [40]
41 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 1: The student used the wrong formula. Algebra I (Common Core) June 15 [41]
42 Question A landscaper is creating a rectangular flower bed such that the width is half of the length. The area of the flower bed is 34 square feet. Write and solve an equation to determine the width of the flower bed, to the nearest tenth of a foot. Score 0: The student used the wrong formula and did not state the width. Algebra I (Common Core) June 15 [42]
43 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [43]
44 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [44]
45 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 3: The student made a computational error solving for y in the second system. Algebra I (Common Core) June 15 [45]
46 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 2: The student made a conceptual error in the second system by substituting 8.5y for 8x. Algebra I (Common Core) June 15 [46]
47 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 2: The student showed correct work to solve one system correctly. Algebra I (Common Core) June 15 [47]
48 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 1: The student made a conceptual error in the first system and did not state agree or disagree. Algebra I (Common Core) June 15 [48]
49 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 0: The student did not show enough correct work to receive any credit. Algebra I (Common Core) June 15 [49]
50 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 0: The student did not show work to support a conclusion. Algebra I (Common Core) June 15 [50]
51 Question Albert says that the two systems of equations shown below have the same solutions. First System 8x 9y 48 12x 5y 21 Second System 8x 9y y 51 Determine and state whether you agree with Albert. Justify your answer. Score 0: The student stated agree, but gave no justification. Algebra I (Common Core) June 15 [51]
52 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [52]
53 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 3: The student did not give an explanation. Algebra I (Common Core) June 15 [53]
54 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 3: The student used 32 hours instead of 38. Algebra I (Common Core) June 15 [54]
55 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 2: The student made an error in the first part by switching 52 and 38. The student made an error in the second part, but gave an appropriate explanation. Algebra I (Common Core) June 15 [55]
56 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 1: The student showed appropriate work to find 380 and 580, but didn t calculate the difference. Algebra I (Common Core) June 15 [56]
57 Question The equation to determine the weekly earnings of an employee at The Hamburger Shack is given by w(x), where x is the number of hours worked. w(x) { 10x, 0 x 40 15(x 40) 400, x 40 Determine the difference in salary, in dollars, for an employee who works 52 hours versus one who works 38 hours. Determine the number of hours an employee must work in order to earn $445. Explain how you arrived at this answer. Score 0: The student made a conceptual error using the piecewise function, did not find the difference, made a computational error, and did not give an explanation. Algebra I (Common Core) June 15 [57]
58 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [58]
59 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 3: The student did not write one of the inequalities correctly, but gave an appropriate answer. Algebra I (Common Core) June 15 [59]
60 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 2: The student graphed one inequality correctly and named a combination correctly, but did not give an explanation. Algebra I (Common Core) June 15 [60]
61 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 2: The student stated a correct combination and a correct explanation. Algebra I (Common Core) June 15 [61]
62 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 1: The student named a correct combination, but gave an insufficient explanation. Algebra I (Common Core) June 15 [62]
63 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 1: The student named a correct combination without giving an explanation. Algebra I (Common Core) June 15 [63]
64 Question An on-line electronics store must sell at least $2500 worth of printers and computers per day. Each printer costs $50 and each computer costs $500. The store can ship a maximum of 15 items per day. On the set of axes below, graph a system of inequalities that models these constraints. Determine a combination of printers and computers that would allow the electronics store to meet all of the constraints. Explain how you obtained your answer. Score 0: The student wrote one inequality, but showed no further correct work. Algebra I (Common Core) June 15 [64]
65 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [65]
66 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 4: The student has a complete and correct response. Algebra I (Common Core) June 15 [66]
67 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 3: The student gave an incorrect explanation. Algebra I (Common Core) June 15 [67]
68 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 3: The student did not give an explanation. Algebra I (Common Core) June 15 [68]
69 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 2: The student has a rounding error and did not give an explanation. Algebra I (Common Core) June 15 [69]
70 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 2: The student wrote an expression and gave an incorrect explanation. Algebra I (Common Core) June 15 [70]
71 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 1: The student found the correct number of downloads based on an incorrect equation. Algebra I (Common Core) June 15 [71]
72 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 1: The student wrote an expression, made a rounding error, and gave an incorrect explanation. Algebra I (Common Core) June 15 [72]
73 Question An application developer released a new app to be downloaded. The table below gives the number of downloads for the first four weeks after the launch of the app. Number of Weeks Number of Downloads Write an exponential equation that models these data. Use this model to predict how many downloads the developer would expect in the 26th week if this trend continues. Round your answer to the nearest download. Would it be reasonable to use this model to predict the number of downloads past one year? Explain your reasoning. Score 0: The student is completely incorrect. Algebra I (Common Core) June 15 [73]
74 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 6: The student has a complete and correct response. Algebra I (Common Core) June 15 [74]
75 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 5: The student did not change yards to feet. Algebra I (Common Core) June 15 [75]
76 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 5: The student made a computational error computing the height at 135 feet. Algebra I (Common Core) June 15 [76]
77 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 4: The student made a graphing error and did not determine the vertex. Algebra I (Common Core) June 15 [77]
78 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 3: The student did not give the vertex and its meaning, and did not change yards to feet. Algebra I (Common Core) June 15 [78]
79 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 2: The student did not graph the function over the entire domain. The student wrote a correct justification based on 45 feet. Algebra I (Common Core) June 15 [79]
80 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 1: The student made one graphing error, did not state or interpret the vertex correctly, and did not justify an incorrect response. Algebra I (Common Core) June 15 [80]
81 Question A football player attempts to kick a football over a goal post. The path of the football can be modeled by the function h(x) x2 2 x, where x is the horizontal distance from the kick, 3 and h(x) is the height of the football above the ground, when both are measured in feet. On the set of axes below, graph the function y h(x) over the interval 0 x 150. Determine the vertex of y h(x). Interpret the meaning of this vertex in the context of the problem. The goal post is 10 feet high and 45 yards away from the kick. Will the ball be high enough to pass over the goal post? Justify your answer. Score 0: The student showed completely incorrect work. Algebra I (Common Core) June 15 [81]
ALGEBRA I (Common Core)
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