Functions as Tables and Graphs

Which ordered pair is a solution of
the equation
y = 6x?

• (12, 2)
• (4, 18)
• (3, 18)
• (6, 1)

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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)

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

Is the graph pictured a function?

• Yes
• No

Which equation represents the
values of the ordered pairs below?
x:  -1   0  1  2   3
y:  -1   1  3  5   7

• y = x - 1
• y = 2x + 1
• y = x + 2
• y = x + 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation is graphed?

• y = x + 2
• y = x - 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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.

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1