Parallel and Perpendicular Lines

Front

What is the slope of a line that is perpendicular to y = 2x - 7?

Back

-1/2

Front

What do you call two lines that never intersect and have the same slope?

Back

Parallel Lines

Front

What is the slope of a line that is parallel to y = 4x + 1?

Back

4

Front

If two lines have slopes m1 and m2, what condition must be met for them to be perpendicular?

Back

m1 * m2 = -1

Front

What is the slope of the line y = 3/2x + 2?

Back

3/2

Front

What is the slope of the line y = 2/3x + 6?

Back

2/3

Front

Are the lines y = -2/3x + 2 and y = 3/2x + 9 parallel, perpendicular, or neither?

Back

Perpendicular

Front

What is the equation of a line that is parallel to y = 5x - 3 and passes through (0, 4)?

Back

y = 5x + 4

Front

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

Back

They have the same slope.

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The product of their slopes is -1.