Basic Linear Functions

Given f(x) = -2x - 17 evaluate f(-4)

• 25

• -25

• 9

• -9

Is the following table a linear function?

• Yes because you are subtracting by 3.

• Yes because you are adding by 3.

• No because it doesn't have a pattern.

• No because you are multiplying instead of adding.

What does the a represent in the equation f(x)= ax+b?

• Y-Intercept

• Slope

• X-Intercept

• Vertical Dilation

What does the b represent in the equation f(x)= ax+b?

• Y-Intercept

• Slope

• X-Intercept

• Horizontal Dilation

Given f(x) = -4x + 8 is the function increasing, decreasing or constant?

• Increasing

• Decreasing

• Constant

Given f(x) = -6x +20 evaluate f(8)

• 68

• -68

• 28

• -28

Is the table a linear function?

• Yes because you are adding by 5

• No because you are multiplying instead of adding.

• Yes because you are subtracting by 5

• No because there is no pattern

Is the following table a linear function?

• Yes because you are subtracting by 10.

• Yes because you are adding by 10.

• No because there is no pattern.

• No because you are multiplying instead of adding.

Determine the slope of the following points

( 2 , 4 ) and ( 4 , 12 )

• Slope is 4

• Slope is -4

• Slope is 0

• Slope is 2

Determine the slope of the following points

( -2 , 5 ) and ( 6 , -11 )

• Slope is -2

• Slope is 2

• Slope is 5

• Slope is -5