Unit 4 Test Review

Cecily’s savings account has a balance of $500. Her father adds $40 to the account each month as long as Cecily makes no withdrawals. If x represents the number of months, which linear equation could Cecily use to determine y, the balance in her account if she makes no withdrawals?

• y=540x

• y=x+540

• y=500x+40

• y=40x+500

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which statement is true?

• The graph is proportional, because the graph goes through 3 quadrants.

• The graph is proportional, because the slope is positive.

• The graph is non-proportional, because the slope is positive.

• 1. The graph is non-proportional, because the graph does not contain the origin.

Tags

CCSS.8.EE.B.5

Which statement is true?

• The slope of DE is greater than the slope of AB.

• 1. The slope of DE is less than the slope of AB.

• 1. The slope of DE is equal to the slope of AB. 

• 1. The slope of DE and AB cannot be determined. 

Tags

CCSS.8.EE.B.6

What is the y-intercept?

• 5

• 8

• 2/3

• -2/3

I want to write the equation for this line. Which answer choice should I eliminate first, without doing any math?

• 1. y=50x

• 1. y=100x

• 1. y=43x

• 1. y=40x+200

Tags

CCSS.HSF-LE.A.1B

After how much time did both cars travel the same distance? 

• 450 days

• 5 days

• 150 days

• 6 days

Tags

CCSS.8.EE.C.8C

Which graph DOES NOT represent y as a function of x?

• 
• 
• 
• 

Y-Intercept:

Answer explanation

Which table is proportional?

• 
• 

Tags

CCSS.7.RP.A.2B

• A

• B

• C

• D

Tags

CCSS.8.F.A.1