Chapter 4 Test Review

Write an equation in slope-intercept form for the line with a slope of -2 and y-intercept of 4.

• y = -2x

• y = 4x - 2

• y = -2x + 4

• y = 2x - 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

what is the graph of y = -2/3 x?

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Write an equation for the graph.

• y = 2/3 x - 1

• y = 3/2 x - 1

• y = 2/3 x + 3/2

• y = 3/2x + 3/2

Write an equation in slope-intercept form for the line that passes through (4, 2) and has a slope of 1/2.

• y = -1/2 x

• y = 1/2 x - 4

• y = 2x - 10

• y = 1/2 x

Write y - 8 = 2(x + 3) in slope-intercept form.

• y = -2x + 14

• y = 2x + 14

• y = 2x - 14

• y = -2x - 14

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the point-slope form of an equation for the line that passes through (0, 5) and has a slope of 2?

• y = 2x - 5

• y - 5 = 2x

• y - 5 = x - 2

• y = 2(x + 5)

Write y + 6 = 2(x + 2) in slope-intercept form.

• y = 2x - 6

• y = 2x - 2

• y = 2x + 6

• 2x - y = 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which statement is true about the slope of parallel lines?

• The slopes are opposite.

• The slopes are equal.

• The slopes are positive.

• The slopes are opposite reciprocals.

Tags

CCSS.8.EE.B.5

Write the slope-intercept form of an equation of the line perpendicular to the graph of x - 3y = 5 and passes through (0, 6).

• y = 1/3x - 2

• y = -3x + 6

• y = 1/3 x + 2

• y = 3x - 6

Which is an equation of a line that passes through (2, -5) and (6, 3)?

• y = 1/2 x - 6

• y = 1/2x

• y = 2x + 12

• y = 2x - 9