Eoc Review Slopes of Parallel and Perpendicular Lines

Which line is perpendicular to y = x + 9 ?

• y = - x + 8

• y = ¹/₂x + 9

• y = ^-1/₂x + 9

• y = x - 9

Are the two lines perpendicular?

y = 3x + 4 and y = 1/3x - 2

• Yes

• No

Tags

CCSS.8.EE.B.6

Are the two lines perpendicular?

y = -3/4x + 2 and y = 4/3x - 1

• Yes

• No

Tags

CCSS.8.EE.B.6

Which two slopes would be perpendicular to each other?

• m = 1/2

• m = -1/2

• m = 2

Tags

CCSS.8.EE.B.6

Which of these lines are parallel to each other:

• 1 & 2

• 2 & 3

• 1 & 3

• None of them

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the slope of a line parallel to the line whose equation is:  -2x + y = - 7?

*Remember to convert to y = mx + b

*Parallel lines have the same slope

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.5

A line is perpendicular to    y = 2x - 7. What is the slope of this line?

  *perpendicular slopes are opposite and flipped.

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Triangle KLM has vertices as shown. Which relationship between the slopes of triangle KLM proves that it is a right triangle?

• KL ⊥ KM because the product of the slopes of these segments is -1.

• KL ⊥ LM because the product of the slopes of these segments is -1.

• KL + LM because the sum of the slopes of these segments is less than 1.

• LK + KM because the sum of the slopes of these segments is greater than 1.

Tags

A.GRS.3

• The two lines are perpendicular.

• The two lines are parallel.

• The two lines intersect but are not perpendicular.

• The two lines coincide.

Tags

A.GSR.3.1