Parallel and Perpendicular Lines Review

Front

What is the slope of a line that is perpendicular to a line with slope m = 5/8?

Back

-8/5

Front

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

Back

4

Front

Are the lines with slopes 2 and -1 parallel, perpendicular, or neither?

Back

Neither

Front

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

Back

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Front

What is the slope of a line that is perpendicular to a line with slope m = -3?

Back

1/3

Front

If two lines have the same slope, what can we say about them?

Back

They are parallel.

Front

What is the relationship between the slopes of parallel lines?

Back

They are identical.

Front

If a line has a slope of 0, what type of line is it?

Back

A horizontal line.

Front

If a line has an undefined slope, what type of line is it?

Back

A vertical line.