Unit 2 Day 8 Homework

Does the table represent a proportional realtionship?

• Proportional since the ratio of distance to listener to sound level is always the same.

• Not proportional since the ratio of distance to listener to sound level is not always the same.

Does the table represent a proportional relationship?

• Proportional since the ratio of volume to cost is always the same.

• Not proportional since the ratio of volume to cost is not always the same.

What is the constant of proportionality?

• 4

• 7

• 14

• 2

What is the constant of proportionality?

• 100

• 30

• 70

• 120

What is the constant of proportionality?

• 1

• 1.5

• 2.5

• 4

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

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