Parallel and Perpendicular Slopes

Front

What is the slope of a line that is parallel to a line with a slope of 3/4?

Back

3/4

Front

What is the slope of a line that is perpendicular to a line with a slope of -8/9?

Back

9/8

Front

What is the slope of a line that is parallel to a line with a slope of -5/6?

Back

-5/6

Front

What is the slope of a line that is perpendicular to a line with a slope of 2/3?

Back

-3/2

Front

What is the slope of a line that is parallel to a line with a slope of 7/3?

Back

7/3

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are negative reciprocals of each other.

Front

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

Back

The slope is -1/m.

Front

What is the negative reciprocal of 4?

Back

-1/4.

Front

What is the negative reciprocal of -3/5?

Back

5/3.