Math 8: 2nd Nine Weeks Benchmark Study Guide

Two operations that have the opposite effect is called:

• Reverse

• Inverse

• Exverse

• Universe

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

5a + 1=26

• a= 5 ⁴∕₅

• a= no solution

• a= 0

• a= 5

3n + 4 = 7 

• 1
• -1
• 3.67
• 2

4c - 6 = 2 

• 2
• -2
• 1
• 3

7k - 14 = 42

• 7

• -8

• 0

• 8

3x - 5 = -26

• x=-21
• x=21
• x=-7
• x=61

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4