Parallel and Perpendicular Lines

Front

What are the slopes of parallel lines?

Back

Identical.

Front

What type of lines are represented by the equations y = -2/3x + 2 and y = 3/2x + 9?

Back

Perpendicular.

Front

Are the lines shown parallel, perpendicular, or neither?

Back

Neither.

Front

What is the equation of the line that has a slope of 2 and passes through the point (0, 3)?

Back

y = 2x + 3.

Front

Are the lines shown parallel, perpendicular, or neither?

Back

Perpendicular.

Front

What is the slope of a line that is perpendicular to a line with a slope of 4?

Back

-1/4.

Front

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

Back

Their slopes are identical.

Front

If two lines have slopes of 2 and -1/2, what is their relationship?

Back

They are perpendicular.

Front

What is the slope of a horizontal line?

Back

0.

Front

What is the slope of a vertical line?

Back

Undefined.