Functions or Not a Function and Direct Variation

Is this a direct variation?
y=2x

• yes

• no

Write the equation for the table given.

• y = 1/3x

• y = 3x

• y = 1/2x

Tags

CCSS.6.EE.C.9

Is this a direct variation?

• yes

• no

Is this a direct variation?

• yes

• no

Does the following represents direct variation?

• Yes

• No

If x and y vary directly, as y increases, what happens to the value of x? ​ (a)  

• increases

• decreases

• does nothing

Tags

A.8

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

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 of these tables represent a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Is this is a function or not a function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1