Parallel and Perpendicular Lines

Front

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

Back

4

Front

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

Back

-8/5

Front

If a line is perpendicular to y = 2x - 7, what is the slope of this line?

Back

-1/2

Front

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

Back

-1/3

Front

Which line is perpendicular to y = 3/2x + 6 and goes through the point (-3, 4)?

Back

y = -2/3x + 2

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 negative reciprocals of each other.

Front

What is the negative reciprocal of 4?

Back

-1/4

Front

What is the negative reciprocal of 5/8?

Back

-8/5

Front

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

Back

-3