Equations of Parallel and Perpendicular Lines

Front

What is the slope of parallel lines?

Back

The slopes of parallel lines are equal.

Front

What is the slope of a line perpendicular to a line with slope m?

Back

The slope of a line perpendicular to a line with slope m is -1/m.

Front

Select the line that is perpendicular to y = 3x + 2.

Back

y = -1/3x + 1.

Front

What is the slope of a line that is parallel to y = -2x + 5?

Back

The slope is -2.

Front

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

Back

The slope is -1/4.

Front

Which of the following lines is parallel to y = 2x + 3? y = 2x - 1, y = -2x + 3, y = 3x + 1, y = 2x + 5.

Back

y = 2x - 1 and y = 2x + 5 are parallel.

Front

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

Back

The slope is 5/6.

Front

If two lines are parallel, what can be said about their slopes?

Back

Their slopes are equal.

Front

What is the equation of a line that is parallel to y = 4x + 1 and passes through the point (1, 2)?

Back

y = 4x - 2.

Front

What is the slope of a line that is perpendicular to y = 5x - 10?

Back

The slope is -1/5.