Function Test 2025

Does the following set of ordered pairs represent a function?

{ (6, 3) , (7, 3) , (8, 4) , (9, 2) }

• Yes, every input has only one output

• Yes, the inputs have more than one output

• No, the inputs have the same outputs

• No, they don't pass the vertical line test

Tags

CCSS.8.F.A.1

Is this graph a function?

• No, it does not pass the vertical line test

• Yes, it passes the vertical lines test

• No, its not a straight line

• Yes, it goes up and down.

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

Is this mapping a function or not a function?

• Yes, every x-value is associated with exactly one y-value.

• Yes, because every input has only one output.

• No, because the input 6 has two outputs 5 & 10.

• No, inputs 6 & 18 go to the same output 10.

Tags

CCSS.8.F.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

Which of these represent a function? Check all that apply

• 
• 
• 
• 
• 

Select the graph that is a function.

Select the graph that is NOT a function.

Which value shown can replace the letter, a, so that the table is NOT a function? (a)  

• -11
• -1
• 25
• 3

Tags

CCSS.8.F.A.1

Which graph IS a function?