Parallel & Perpendicular Review

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

Match the following opposite reciprocal

• 5/7

• -7/5

• -4/5

• 15/4

• -4/15

• 5/4

• 3/2

• -2/3

Two lines that are parallel will have ...

• Slope that is opposite reciprocals

• No slope

• Slope that is the same

• none of the above

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Select the two lines that are parallel.

• None are parallel.

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

• Parallel
• Perpendicular
• Neither

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

• Parallel
• Perpendicular
• Neither
• The same line

Select the two lines that are parallel.

• None are parallel

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

• Parallel
• Perpendicular
• Neither