Parallel and Perpendicular Lines

Front

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

Back

4

Front

What is the relationship between the lines y = 6x + 2 and y = -6x + 2?

Back

Neither

Front

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

Back

Front

Are the lines y = \frac{2}{3}x + 6 and y = \frac{3}{2}x + 2 parallel, perpendicular, or neither?

Back

Neither

Front

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

Back

2

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are negative reciprocals of each other.

Front

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

Back

Front

If two lines have slopes m1 and m2, under what condition are they parallel?

Back

m1 = m2

Front

If two lines have slopes m1 and m2, under what condition are they perpendicular?

Back

m1 * m2 = -1