Algebra Essentials

Is it a function?

HINT

It's a function if EACH x-value is paired with only ONE y-value.

It's NOT a function if the SAME x-value REPEATS and is paired with TWO DIFFERENT y-values.

• Function

• NOT a Function

Is it a function?

HINT: Remember the VERTICAL LINE TEST

• Function

• NOT a Function

Is it a function?

HINT: Remember the VERTICAL LINE TEST!

• Function

• NOT a Function

HINT: Remember the VERTICAL LINE TEST!

• 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

Are the following points a function?

(-2,-5), (-2,-1), (-2,1), (-2,3)

HINT

It's a function if EACH x-value is paired with only ONE y-value.

It's NOT a function if the SAME x-value REPEATS and is paired with TWO DIFFERENT y-values.

• Yes

• No

Are the following points a function?

• Yes

• No

Are the following points a function? It's a function if EACH x-value is paired with only ONE y-value. It's NOT a function if the SAME x-value REPEATS and is paired with TWO DIFFERENT y-values.

• Yes

• No

Are the following points a function? HINT It's a function if EACH x-value is paired with only ONE y-value. It's NOT a function if the SAME x-value REPEATS and is paired with TWO DIFFERENT y-values.

• Yes

• No