Parallel and Perpendicular Lines

Front

What is the slope of a line parallel to y = 2x - 7?

Back

2

Front

What slope is parallel to m = 4?

Back

4

Front

Which is the equation of the line that is parallel to y = 5x + 7 and has a y-intercept at (0, -2)?

Back

y = 5x - 2

Front

Two lines that are parallel will have ...

Back

Slope that is the same

Front

What is the slope of a line perpendicular to y = 2x - 7?

Back

-1/2

Front

Define parallel lines.

Back

Lines that never intersect and have the same slope.

Front

Define perpendicular lines.

Back

Lines that intersect at a right angle (90 degrees).

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The slopes are opposite reciprocals.

Front

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

Back

3

Front

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

Back

4