Parallel & Perpendicular Slopes

Front

What is the slope of parallel lines?

Back

Identical.

Front

What type of lines do the equations y = -2/3x + 2 and y = 3/2x + 9 represent?

Back

Perpendicular.

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Front

If the slopes of two lines are m = 4 and m = -1/4, what can be said about these lines?

Back

They are perpendicular.

Front

What is the relationship between the slopes of a horizontal line and a vertical line?

Back

Their slopes are negative reciprocals.

Front

What is the slope of a line that is parallel to the line with the equation y = 5x + 3?

Back

5.

Front

If two lines have slopes of 2 and -1/2, what can be concluded about their relationship?

Back

They are perpendicular.

Front

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

Back

-1/3.

Front

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

Back

If their slopes are identical.

Front

What is the slope of a line that is horizontal?

Back

0.