PA Unit 3B TEST REVIEW HW

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

 $y=2x+4$  

• direct proportion

• inverse proportion

• neither

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

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship?

• Yes.
• No.

Tags

CCSS.7.RP.A.2D

• Proportional, the rate of change is 5/3
• Non Proportional
• Proportional, the rate of change is 3/5
• Proportional, you add 2

Tags

CCSS.7.RP.A.2B

What type of variation does this scenario represent?
The length of time you charge your cell phone
and the battery power 

• direct variation
• inverse variation
• joint variation
• none of these

What type of variation does this scenario represent?
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable 

• direct variation
• inverse variation
• joint variation
• none of these

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4
• Yes; 4
• Yes; 2
• No

What is the constant (k) in this inverse variation?
y = 400/x

• x
• y
• 400
• Not enough information given

Tags

CCSS.HSF-LE.A.1B

Does the equation show a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2C

Does the equation show a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2C