Algebra Essentials

What is the slope of the equation?
y = -3x + 4

Tags

CCSS.8.EE.B.5

Remember the VERTICAL LINE TEST!

• Function

• Not a Function

Is this graph a function or not a function?

Remember the VERTICAL LINE TEST!

• Function

• Not a Function

Does this mapping diagram represent 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 is paired with TWO DIFFERENT y-values.

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

Tags

CCSS.8.F.A.1

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Is this mapping a function or not 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 is paired with TWO DIFFERENT y-values.

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not 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 is paired with TWO DIFFERENT y-values.

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function?

HINT: Remember the VERTICAL LINE TEST

• Function

• Not a Function

Is this 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, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

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

Tags

CCSS.8.F.A.1