Math 8 Exam 2 Review Mr. G

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

Solve the equation below:

• k = 152
• k = 176
• k = 5
• k = 27

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

A relation where every input in matches with exactly one output is called what?

• Relation
• Linear
• Exponential
• Function

Is relation shown a function?

• YES
• NO

Tags

CCSS.HSF.IF.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function 

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

• Function
• Not a Function