Parallel and Perpendicular Lines

Front

Parallel lines have __________ slopes

Back

Equal

Front

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

Back

3/4

Front

If a line has a slope of -1/7, a line that is perpendicular has a slope of what?

Back

7

Front

What is the slope of a line perpendicular to -10/3?

Back

3/10

Front

What slope is parallel to: m = 4?

Back

4

Front

The slope of a line is defined as __________.

Back

The ratio of the rise (vertical change) to the run (horizontal change) between two points on the line.

Front

Two lines are perpendicular if the product of their slopes is __________.

Back

-1

Front

If a line has a slope of 2, what is the slope of a line parallel to it?

Back

2

Front

If a line has a slope of 5, what is the slope of a line perpendicular to it?

Back

-1/5

Front

The slope-intercept form of a line is given by __________.

Back

y = mx + b, where m is the slope and b is the y-intercept.