Unit 3 Test Review (y = mx+b)

What is the slope of the line on a coordinate plane that passes through the points (2, 2) and (-1, -2)?

Tags

CCSS.8.EE.B.5

The graph of a line is shown on the coordinate plane below. Which equation represents the graph of the line?

• y = 2x + 1

• y = 2x - 2

Which equation represents the graph of a line on a coordinate plane that passes through the x-intercept at (9, 0) and the y-intercept at (0, -5)?

Which equation represents the line shown on the coordinate plane given?

A line is graphed on the coordinate plane shown.

What is the equation of the line?

If the variables x and y are proportional and y = 3 when x = 18, then which of the following equations relates to all values of x and y?

• y = 6x

• y = x + 15

• y = x - 15

On a coordinate plane, the graph of a line passes through the origin and the point (15, 24). What is the equation of a line?

Which line below has a slope of 7 and passes through the point (0, -3)?

• y = -3x + 7

• y = 7x - 3

• y = -3x - 7

• -8/-10

• -8/10

• 8/-10

• -12/15

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Layla is filling her truck with gas. She writes down the total cost of gas as she is filling up the tank at various points.

Which equation below represents the cost, c, based on the number of gallons bought , g.

• g = 3.15c

• g = 0.32c

• c = 3.15g

• c = 0.32g

Tags

CCSS.6.EE.C.9