Parallel and Perpendicular Lines

Front

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

Back

-1/3

Front

What can be said about the slopes of parallel lines?

Back

Slopes of parallel lines are identical.

Front

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

Back

-8/5

Front

If a line is parallel to y = 2x - 7, what is its slope?

Back

2

Front

What can be said about the slopes of perpendicular lines?

Back

Slopes of perpendicular lines are opposite reciprocals.

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 opposite reciprocals.

Front

If the slope of one line is 4, what is the slope of a line perpendicular to it?

Back

-1/4

Front

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

Back

-3

Front

If two lines have slopes of 2 and -1/2, are they parallel, perpendicular, or neither?

Back

They are perpendicular.