Learning Checkpoint 2 Review 11.7.23

Miles works overtime during one week at his job. He earns $60 an hour for the first 40 hours he works in a week. He then earns an additional $30 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 60 hours?

• (4200, 60)

• (3900, 60)

• (60, 3900)

• (60, 4200)

Christopher works overtime during one week at his job. He earns $55 an hour for the first 40 hours he works in a week. He then earns an additional $27.50 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 50 hours?

• (50, 3025)

• (3025, 50)

• (50, 3050)

• (3050, 50)

Elvin works overtime during one week at his job. He earns $40 an hour for the first 40 hours he works in a week. He then earns an additional $20 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 52 hours?

• (2500, 52)

• (52, 2500)

• (2320, 52)

• (52, 2320)

Leonzo works overtime during one week at his job. He earns $65 an hour for the first 40 hours he works in a week. He then earns an additional $32.50 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 58 hours?

• (58, 5275)

• (4355, 58)

• (58, 4355)

• (5275, 58)

Tags

CCSS.8.EE.B.5

Wayne works overtime during one week at his job. He earns $30 an hour for the first 40 hours he works in a week. He then earns an additional $15 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 43 hours?

• (1565, 43)

• (43, 1335)

• (1335, 43)

• (43, 1565)

Tags

CCSS.HSF-IF.C.7B

Dominic works overtime during one week at his job. He earns $80 an hour for the first 40 hours he works in a week. He then earns an additional $40 an hour for each hour worked between 40 and 60 hours. If his earnings are graphed in an xy-plane, which of the following coordinates would represent a point that can be used to determine the amount he earns for working 48 hours?

• (48, 4160)

• (4160, 48)

• (48, 5240)

• (5240, 48)

The data are shown in the scatterplot. The student found that the equation of a trend line for the data is y = 0.4x + 0.8. Based on the equation of the trend line, what is the predicted number of cars for 2 people in a household?

Tags

CCSS.HSF.BF.A.2

The data are shown in the scatterplot. The student found that the equation of a trend line for the data is y = 0.4x + 0.8. Based on the equation of the trend line, what is the predicted number of cars for 6 people in a household?

Tags

CCSS.HSF.BF.A.2

The data are shown in the scatterplot. The student found that the equation of a trend line for the data is y = 0.4x + 0.8. Based on the equation of the trend line, what is the predicted number of cars for 10 people in a household?

Tags

CCSS.HSF.LE.B.5

The data are shown in the scatterplot. The student found that the equation of a trend line for the data is y = 5x - 200. Based on the equation of the trend line, what is the predicted weight for a person that is 74 inches tall?

Tags

CCSS.HSF.BF.A.2