Parallel and Perpendicular Slopes

Front

What is the slope of a line perpendicular to the line represented by the equation y = ½x + 4?

Back

-2

Front

What slope is parallel to m = 3/4?

Back

3/4

Front

Which two lines are perpendicular if Line A has a slope of 2 and Line B has a slope of -1/2?

Back

Line A and Line B

Front

If the slopes of two lines are m = 5 and m = -1/5, how are the lines described?

Back

Perpendicular

Front

Back

Perpendicular

Front

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

Back

The slopes of parallel lines are equal.

Front

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

Back

The product of their slopes is -1.

Front

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

Back

-1/4

Front

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

Back

-3

Front

What is the slope of a line that is perpendicular to a line with a slope of 1/3?

Back

-3