Intro to Parallel and Perpendicular Lines

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

What slope is parallel to:  
m = 4

• 4

• -1/4

• -4

• 1/4

• line l

• line m

• line s

• line t

• line l

• line m

• line s

• line t

• line s

• line t

• line m

• line l

• line s

• line t

• line m

• line l

Which of the following lines goes through the point (0, 4) and is parallel to y = 5x - 3?

• y = 1/5x - 3

• y= 5x - 7

• y = 5x + 4

• y = -5x - 3

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5