Parallel or Perpendicular Lines

-6x + y = 2

y = 6x - 5

These lines are...

• Parallel

• Perpendicular

• Neither

Which two lines are parallel?

• Line A and Line B

• Line A and Line C

• Line B and Line C

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which two lines are perpendicular?

• Line A and Line B

• Line B and Line C

• Line A and Line C

Tags

CCSS.HSG.CO.A.1

2x + 6y = 12

y = 3x -4

These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSG.CO.A.1

How can you use slopes to determine if two lines are parallel?

• If the slopes are opposites

• If the slopes are reciprocals

• If the slopes are the same

• If their product is -1

Tags

CCSS.8.EE.B.6

How can you use the slopes to determine if two lines are perpendicular?

• If the slopes are the same

• If their sum is -1

• If their product is -1

• If the slopes are reciprocals

Tags

CCSS.8.EE.B.6

What is the slope of the line parallel to a line with a slope of 4?

• 4

• -1/4

• -4

• 1/4

Tags

CCSS.8.EE.B.5

What is the slope of a line perpendicular to a line with   m = 3?

• -3

• -1/3

• 1/3

• 3

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

Use slope to determine if lines AB and CD are parallel, perpendicular, or neither.

A(0, 2), B(5, 4), C(1, 8), D(3, 3)

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6