Ratios, Rates, and Proportions Revew

How do you know if a graph is proportional?

• It is a straight line
• It goes through (0,0)
• All of the above
• None of the above

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality?

• k = x/y
• k = y/x
• k = xy
• k = yx

Tags

CCSS.7.RP.A.2B

Define scale factor. 

• Real/Model
• Model 1/Model 1
• Actual / Model
• Model/Actual

Which one is the better buy for coffee?

• $1.29 for 20 oz
• $1.39 for 32 oz
• $1.59 for 44 oz
• They are the same

Tags

CCSS.6.RP.A.3B

How do you figure out which one is the better buy?

• Look for the highest unit rate
• Look for the lowest unit rate
• Look for the lowest price
• Look for the lowest amount

Tags

CCSS.7.RP.A.1

Is this a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2D

Is this proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

Is this proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

Is this proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

Find the constant of proportionality from the graph.

• k = 2
• k = 4
• k = 6
• k = 8

Tags

CCSS.7.RP.A.2B