Write Equations of Parallel and Perpendicular Lines

Front

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

Back

The slope of a line that is perpendicular to a line with a slope of 2 is -\frac{1}{2}.

Front

Define parallel lines in terms of their slopes.

Back

Parallel lines have the same slope.

Front

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

Back

The slope of a line that is parallel to a line with a slope of -3 is also -3.

Front

If two lines are perpendicular, what is the relationship between their slopes?

Back

The slopes of two perpendicular lines are opposite reciprocals.

Front

Back

Front

Back

Front

What is the slope of a line that is perpendicular to a line with a slope of 4?

Back

The slope of a line that is perpendicular to a line with a slope of 4 is -\frac{1}{4}.

Front

Back

The lines are perpendicular.

Front

If two lines have slopes of 5 and -\frac{1}{5}, what can be said about their relationship?

Back

The lines are perpendicular.

Front

Back