Para Perpendicular Lines

What is the slope of the line perpendicular to:

y = ⁷/₉x + 5

• ⁷/₉

• ^-7/₉

• ^-9/₇

• ⁹/₇

Tags

CCSS.8.EE.B.5

What is the slope of the line perpendicular to:

y = -3x + 5

• 3

• -3

• ^-1/₃

• ¹/₃

Tags

CCSS.8.EE.B.5

Write the equation of the line perpendicular to the line

y = ^-1/₂x - 7

that goes through (3, 2).

Write the equation of the line perpendicular to the line

y = ⁴/₅x + 1

that goes through (4, -2).

Which two equations below are parallel?

• y = 2x + 1 and y = -1/2x + 1

• y = 2x + 3 and y = -2x + 3

• y = 2x - 1 and y = 1/2x - 1

• y = -x + 4 and y = -x + 2

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

What is the slope of a line perpendicular to a line with slope ^-6/₅ ?

• ^-6/₅

• ^-5/6

• ⁵/₆

• ^-4/₃

Tags

CCSS.8.EE.B.6

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Are these two lines parallel, perpendicular, or neither?

• parallel

• perpendicular

• neither parallel nor perpendicular

• both parallel and perpendicular

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Tags

CCSS.8.EE.B.6