Mid-Year Review Math 8

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

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

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No

Does this table represent a function?

• Yes 

• No

Is this graph a function or not a function? 

• Function

• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Find the slope

• -5/3

• -3/5

• 5/3

• 3/5