Parallel and Perpendicular Slopes

Front

What is the slope of a line parallel to a line with slope m = 3/4?

Back

3/4

Front

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

Back

-1/5

Front

If two lines have slopes of -2/3 and 3/2, what relationship do they have?

Back

Perpendicular

Front

If two lines have slopes of -1/3 and -1/3, what relationship do they have?

Back

Parallel

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

How do you determine if two lines are parallel using their slopes?

Back

Two lines are parallel if their slopes are equal.

Front

How do you determine if two lines are perpendicular using their slopes?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.