writing equations of 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

What do two lines that are perpendicular have in common regarding their slopes?

Back

Slope that is opposite reciprocals

Front

What slope is perpendicular to m = 5/8?

Back

-8/5

Front

Are the lines with slopes 3 and -1/3 parallel, perpendicular, or neither?

Back

Perpendicular

Front

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

Back

-3

Front

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

Back

They are parallel.

Front

What is the slope of a line perpendicular to y = 1/2x + 4?

Back

-2

Front

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

Back

Horizontal line.

Front

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

Back

The product of their slopes is -1.