Unit 4 Linear Equations Quiz Review

Find the rate of change show in the table.

• 144

• -0.02

• 3

• -48

Find the slope of the graph.

• 1/2

• -2

• -1/2

• 2

Which of the following triangles could lie on the graphed line below?

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• 
• 

Find the slope of the line between the following points:
(12, 9) and (12, 7)

• -2

• Undefined

• 0

• 2

Find the slope of the line between the following points:
(4, -5) and (-2, -5)

• Undefined

• 0

• 2

• -2

Find the slope of the line between the following points:
(12, -10) and (15, -8)

• 2/3

• -2/3

• 3/2

• -3/2

Which statements are TRUE about the following equation (there may be more than 1 right answer!)

y= 3x - 12

• The graph would decrease from left to right.

• The graph will cross the y-axis below the x-axis

• The graph will pass through the origin.

• The graph would have a slop of 3.

Which of the following could be the graph of the equation y =− 4x?

• 
• 
• 
• 

An appliance repair company charges an initial fee of $30 and an hourly repair fee of $50 per

hour. Write an equation to represent the relationship between y, the total cost of a repair, and x, the

number of hours the repair takes.

• x = y + 50

• y = 30x + 50

• y = 50x + 30

• y = 20x

What equation goes with the table?

• y = -2x + 11

• y = -1/2x + 11

• y = 11x -2

• y = 11x - 1/2