Identifying Parallel and Perpendicular Lines

The slopes of perpendicular lines are

• opposite reciprocals

• the same

• negative

• flipped

Tags

CCSS.HSG.CO.A.1

Which slope is perpendicular to the slope

 $m\ =\ 4$  

•  $m\ =\ 4$  

•  $m\ =\ -4$  

•  $m\ =\ -\frac{1}{4}$  

•  $m\ =\ \frac{1}{4}$  

Tags

CCSS.8.G.A.5

Which slope is perpendicular to the slope

 $m\ =\ -\frac{5}{6}$  

•  $m\ =\ -\frac{5}{6}$  

•  $m\ =\ \frac{6}{5}$  

•  $m\ =\ \frac{5}{6}$  

•  $m\ =\ -\frac{6}{5}$  

Tags

CCSS.HSG.GPE.B.5

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

• Parallel
• Perpendicular
• Neither
• The same line

Tags

CCSS.8.EE.C.8B

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

y = 6x + 2
y = -6x + 2
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

What kind of lines are these?

• Parallel lines

• Line segments

• Perpendicular Lines

• Intersecting lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

.

.

What kind of intersecting lines are these?

• Parallel Lines

• Perpendicular Lines

• adjacent

• opposite

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6