Parallel and Perpendicular Lines Slope

Front

Slopes of parallel lines are...

Back

identical.

Front

What is the slope of a line parallel to m = 4?

Back

4

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

If line A has a slope of -2/3, what is the slope of a line perpendicular to it?

Back

3/2.

Front

The slopes of two lines are 2 and -1/2. Are they parallel, perpendicular, or neither?

Back

Perpendicular.

Front

What is the slope of a line parallel to y = 5x + 3?

Back

5.

Front

If two lines have slopes of 3 and 3, what can we say about them?

Back

They are parallel.

Front

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

Back

-4.

Front

What is the relationship between the slopes of two lines that are parallel?

Back

Their slopes are identical.

Front

If the slope of line C is -3, what is the slope of a line parallel to it?

Back

-3.