Review Linear Functions

Which graph represents 2x + 4y = 12?

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Find slope:

• m= 4

• m=1/4

• m=-4

• m=-1/4

What is the initial value:

• 0

• -2

• -1

• 6

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the rate of change?

• 30

• 5

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

What is the rate of change?

• -10 ft per second

• 15 ft per second

• 10 ft per second

• -15 ft per second

Which equation is being represented by this line?

• y = -1x + 2

• y = 1/2x + 2

• y = 3x -4

• y = -3x +2

Write the equation of the line through the points (8, -7) and (-2, 8).

• y = 3/2x + 11

• y = -3/2x + 11

• y = -3/2x + 5

• y = 3/2x - 19

Write the equation of the line with slope -2 through the point (7, -1).

• y = -2x + 15

• y = -2x -15

• y = -2x + 13

• y = -2x - 13

What are the x- and y-intercepts of the linear function given by the equation x + y = -2

• (-2, -2)

• (-2, 0) and (0, -2)

• (0, 0)

• (2, 0) and (0, 2)