Equations of Parallel and Perpendicular Lines

Front

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

Back

The slope is -3/5.

Front

Write an equation of a line that passes through the point (5,-1) and is parallel to y = (-3/5)x - 3.

Back

y = (-3/5)x + 2.

Front

What is the relationship between the slopes of two 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 = 3?

Back

The slope is -1/3.

Front

If two lines are perpendicular, what is the relationship between their slopes?

Back

Their slopes are negative reciprocals of each other.

Front

Write an equation of a line that passes through the point (2, 3) and is perpendicular to y = 2x + 1.

Back

y = -1/2x + 4.

Front

What is the slope of the line y = 6x + 2?

Back

The slope is 6.

Front

Are the lines y = 6x + 2 and y = -6x + 2 parallel, perpendicular, or neither?

Back

Neither.

Front

What is the slope of a line parallel to y = 5/7x + 2?

Back

The slope is 5/7.

Front

Are the lines y = 5/7x + 2 and y = 5/7x - 30 parallel, perpendicular, or neither?

Back

Parallel.