Module 5 Mid-Chapter Review 8th Grade

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Which graph is NOT a function?

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

Which graph is a function?

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

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

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.

Is this a function?

• yes

• no

Is this a function?

• Function
• Not a Function

• Function
• Not a Function

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