Parallel and Perpendicular Slopes

y = ^{- 2}/₃x + 2
y = ³/₂x + 9
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.5

Which line is perpendicular to
y = 2x - 7  ?

• y = -2x + 8

• y = ¹/₂x - 7 

• y = ^-1/₂x + 2

• y = 2x - 3 

Which line is perpendicular to
y =  x + 9  ?

• y = - x + 8

• y = ¹/₂x + 9 

• y = ^-1/₂x + 9

• y = x - 9 

Which line is parallel to
y = 2x - 7  ?

• y = -2x + 8

• y = ¹/₂x - 7 

• y = ^-1/₂x + 2

• y = 2x - 3 

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

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

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Which equation is parallel to:
y = 5/7x +2

• y = -7/5x +1

• y = 7/5x +4

• y = -5/7x -3

• y = 5/7x +5

Which equation is perpendicular to:
 y = -6x +2

• y = 6x +1

• y = 1/6x +4

• y = -6x +3

• y = -1/6x +5

What is the slope of the line that is perpendicular to
y = 1/2(x) + 2.3

• -1/2

• -2

• 2

• 1/2

Tags

CCSS.8.EE.B.6

Which line(s) are parallel to y = x/2+10

• y=x/2-5

• y=2x

• y=-2x-15

• None of them