Slope of Lines Parallel and Perpendicular

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

A(3, 1), B(3, -4), C(-4, 1), D(-4, 5)

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

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

A(-1, 8), B(2, 6), C(-1, 2), D(3, 3)

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

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

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

What slope is parallel to:  
m = 4

• 4

• -1/4

• -4

• 1/4

Tags

CCSS.8.EE.B.6

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.8.EE.B.5

What slope is parallel to:  
m = ³/₄

• ⁴/₃

• ³/₄

• ^-3/₄

• ^-4/₃

Tags

CCSS.8.EE.B.6

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

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

What is the slope of a line perpendicular to -10/3

• -10/3

• 10/3

• 3/10

• -3/10

Tags

CCSS.8.EE.B.5

The two lines are _____________________.

• Parallel

• Perpendicular

• Neither

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1