Slope Intercept Form Perpendicular

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.8.EE.B.5

What slope is perpendicular to:  
m = 5/8

• -5/8

• 5/8

• -8/5

• 8/5

Tags

CCSS.8.EE.B.6

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Tags

CCSS.8.EE.B.6

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

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

• A
• B
• C
• D

Tags

CCSS.8.EE.B.6

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

m=__

(Write your answer in fraction form)

Mathematical Equivalence

ON

Tags

AI.9.2.F

Mathematical Equivalence

OFF

Tags

linear point-slope form

parallel

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• always negative

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

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

Mathematical Equivalence

ON

Tags

AI.9.2.F