parallel/perpendicular lines

Front

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

Back

4

Front

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

Back

-8/5

Front

Are the lines y = 5/7x + 2 and y = 5/7x - 30 parallel, perpendicular, or neither?

Back

Parallel

Front

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

Back

1/3

Front

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

Back

-1/2

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

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 -2, what is the slope of a line perpendicular to it?

Back

1/2