Parallel & Perpendicular Slope

Front

Parallel lines have __________ slopes

Back

Equal

Front

Are the lines shown Parallel, Perpendicular, or Neither?

Back

Parallel

Front

What slope is parallel to: m = 3/4?

Back

3/4

Front

What is the slope of a line perpendicular to a line with slope -6/5?

Back

5/6

Front

Line 1: (15, 20), (17, 18) and Line 2: (-22, -18), (-20, -16). The two lines are _____________________.

Back

Perpendicular

Front

The slope of a line is defined as __________.

Back

The ratio of the rise (change in y) to the run (change in x).

Front

If two lines are perpendicular, the product of their slopes is __________.

Back

-1

Front

What is the slope of a line that is horizontal?

Back

0

Front

What is the slope of a line that is vertical?

Back

Undefined

Front

If a line has a slope of 2, what is the slope of a line parallel to it?

Back

2