Parallel and Perpendicular Lines

Front

Parallel lines have __________ slopes

Back

Equal

Front

What slope is parallel to: m = 3/4?

Back

3/4

Front

What slope is parallel to: m = 4?

Back

4

Front

A line that is parallel to this line would have what slope? y = 2x - 7

Back

2

Front

If a line has a slope of -5/6, a line that is parallel has a slope of what?

Back

-5/6

Front

The slope of a line is defined as __________.

Back

The ratio of the rise (vertical change) to the run (horizontal change).

Front

Two lines are perpendicular if their slopes are __________.

Back

Negative reciprocals of each other.

Front

What slope is perpendicular to: m = 2?

Back

-1/2

Front

What slope is perpendicular to: m = -3/5?

Back

5/3

Front

If a line has a slope of 1/4, what is the slope of a line that is perpendicular to it?

Back

-4