Algebra Unit 5 Test Review

What is the answer to letter a?

What is the answer to letter b?

Answer explanation

a = 90
b = -75

Tags

CCSS.7.NS.A.1B

Which equation represents the function?

Tags

CCSS.HSF-IF.C.7D

Function c is defined by the equation c(n) = 50 + 4n. It gives the monthly cost, in dollars, of visiting a gym as a function of the number of visits, n. Find the inverse function.

Tags

CCSS.HSF-BF.B.4A

Function c is defined by the equation c(n) = 50 + 4n. It gives the monthly cost, in dollars, of visiting a gym as a function of the number of visits, n. Find the value of c(8) and explain what it means in this situation.

• $54; it means that 8 visits cost $54.

• $75; it means that 8 visits will cost $75.

• 8 visits will cost $62.

• 8 visits will cost $82.

Tags

CCSS.HSF.IF.A.2

Mathematical Equivalence

ON

Tags

CCSS.7.EE.A.1

This is an example of:

(a)  

• Exponential Growth

• Linear Growth

• Linear Decay

• Exponential Decay

Tags

CCSS.HSF-IF.C.7E

Mathematical Equivalence

ON

Proportional or Not Proportional?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2D

Circle all of the equations that show a proportional relationship.

• y = 3x

• y = x-4

• C = 5m - 20

• C = 7.99m

• y = 1/3x

Tags

CCSS.7.RP.A.2C

True or False: An equation of a proportional relationship must follow the formula: y = kx

• True

• False

Tags

CCSS.7.RP.A.2C