Reassessment- Study Guide

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

Tags

CCSS.8.EE.B.5

Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

• 9 miles
• 4 miles
• 6 miles
• 36 miles

Tags

CCSS.6.RP.A.3B

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?

• $37
• $64.75
• $9.25
• $18.50

Tags

CCSS.7.RP.A.2B

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.6.EE.C.9

Which statement best describes the relationship of x and y in the table?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Why does this graph show a non-proportional relationship?

• Because it is proportional
• It goes through the origin
• It does not go through the origin
• It is a straight line

Tags

CCSS.7.RP.A.2D

What makes a graph proportional?

• Linear
• The line goes through the origin
• Curvy line
• Linear and the line goes through the origin

Tags

CCSS.7.RP.A.2D

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.
• The table is proportional and the unit rate is 1/13
• The table is proportional and the unit rate is 13.
• The table is not proportional because it doesn't pass through the origin.

Tags

CCSS.7.RP.A.2B