Functions Vertical Line Test

Is y a function of x?

• function

• not a function

The vertical line test determines if a ​ (a)   is a function by showing visually that every x value has only one ​ (b)   (y value)

• graph

• answer

• table

• equation

• Starting point

• Monkey

Vertical Line Test: When a vertical line crosses the line of a relation ​ (a)   ​ the relation ​​ (b)   a function.​ ​ ​

• never

• more than once

• only once

• is

• four times

• positivity

Tags

CCSS.8.F.A.1

Is y a function of x?

• function

• not a function

Using the vertical line test. Is this a function?

• Yes

• No

Using the vertical line test. Is this a function?

• Yes

• No

Using the vertical line test. Is this a function?

• Yes

• No

Using the vertical line test. Is this a function?

• Yes

• No

Using the vertical line test. Is this a function?

• Yes

• No

Is this graph a function or not a function? 

• Function

• Not a Function