Math 7 Chapter 5 Review 2

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.6.EE.C.9

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

Tags

CCSS.7.RP.A.2B

Does the following represent a direct proportion, an inverse proportion or neither?

• Direct
• Inverse 
• Neither

Does the following represent a direct proportion, an inverse proportion or neither?
xy = 18

• Direct
• Inverse
• Neither

Tags

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Does the following represent a direct proportion, an inverse proportion or neither?
y = 2.25x

• Direct
• Inverse 
• Neither

Does the following represent a direct proportion, an inverse proportion or neither?

• Direct
• Inverse
• Neither

Jane paints clay figurines to sell at a crafts fair. The graph shows that the number of figurines she paints, y, is directly proportional to the number of days she paints, x. Find the constant of proportionality. 

• 5
• 10
• 15
• 2.5

x is inversely proportional to y, and x = 18 when y = 4. Write an equation relating x and y.

• y/x = 4.25
• xy = 72

Tags

CCSS.6.EE.C.9

M varies inversely as N, and M = 60 when N = 2. Find the constant of proportionality. Write an equation relating N and M.

• 120; 120n = m
• 60; mn = 60
• 120; 120/n = m
• 40; mn = 40

The graph below shows the exchange rate between U.S. dollars (USD) and Thailand baht (THB). Find the constant of proportionality. 

• 30
• 60
• 90
• 15