Slope of Lines Parallel and Perpendicular

Slopes of parallel lines are...

• the same.

• opposites.

• opposite reciprocals.

• always 7.

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.8.EE.B.6

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

• Parallel

• Perpendicular

• Neither

• The same line

Tags

CCSS.8.EE.C.8B

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

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

When finding the slope of a line that is perpendicular to another line you​ (a)   or​ (b)   (place answers in alphabetical order)

• flip & switch

• opposite & reciprocal

• same slope

• reciprocal

• switch the sign

Tags

CCSS.8.EE.B.6

• 2

• -2

Tags

CCSS.8.EE.B.6

Match the following to its perpendicular slope

• -4/5

• 15/4

• 5/7

• -7/5

• 3/2

• -2/3

• -4/15

• 5/4

Tags

CCSS.8.EE.B.5

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

• -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? 

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

Tags

CCSS.8.EE.B.6