Unit 3 Quiz

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Tags

TEKS.MATH.A.2C

Which line shows a proportional relationship between x and y?

• Line L
• Line M

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2B

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

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Which graph is non-proportional?

• A
• B
• C
• D

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.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Review: What makes this graph not proportional?

• does not have a constant unit rate/slope

• is not straight line

• does not pass through (0,0)

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• y=14

Tags

CCSS.7.RP.A.2B

What is the unit rate?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2