Calc Perpendicular Slope

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

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

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through the point (9, -2)

• y = -1/3x + 2

• y = 3x + 2

• y = 1/3x -5

• y = -1/3x +1

What kind of slopes do perpendicular lines have?

• Reciprocal

• Opposite Reciprocal

• Same

• Opposite

Tags

CCSS.8.EE.B.6

• A
• B
• C
• D

Tags

CCSS.8.EE.B.6

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• always negative

Tags

CCSS.8.EE.B.6

Slopes of perpendicular lines are ​ (a)   sign and ​ (b)  

• opposite

• reciprocals

• same

• inverses

• equal

Tags

CCSS.8.EE.B.5

Graph a line that goes through the point (-3, 4) and is perpendicular to  y = 3/2x + 6?

Identify the NEGATIVE RECIPROCAL of each slope in order to form PERPENDICULAR slopes.

• slope: 6

• neg. reciprocal: -6

• slope: -6

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