Finding Slopes of Parallel and Perpendicular Lines

If two lines have the same slope they will be...

• parallel

• perpendicular

Tags

CCSS.8.EE.B.6

What is the slope of this graph?

Tags

CCSS.8.EE.B.5

What is the slope of the line?

Tags

CCSS.8.EE.B.5

What is the slope of the line?

• 9

• 3

• 6

Tags

CCSS.8.EE.B.5

A line is perpendicular to y = 2x - 7.

What is the slope of the perpendicular line?

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Choose the best answer to fill in the blanks. Parallel lines always have the ​ (a)   slope. Perpendicular lines have slopes that are ​ (b)   . The product of perpendicular slopes always equals ​ (c)  

• same

• negative reciprocals

• -1

• reciprocals

• 1

• different

Tags

CCSS.8.EE.B.6

Choose the best answer to fill in the blanks.

Parallel lines always have the ​ (a)   slope.

Perpendicular lines have slopes that are ​ (b)   .

The product of perpendicular slopes always equals ​ (c)  

• same

• negative reciprocals

• -1

• reciprocals

• 1

• different

Tags

CCSS.8.EE.B.6

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

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Given the function y = 3x + 4, what is the slope of the line that is perpendicular to the function. Type only the slope in simplest form.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.B.5