Parallel and Perpendicular Lines Warm Up

Front

What is the slope of a line parallel to y = 2x + 4?

Back

2

Front

True or False: Perpendicular lines have the same slope.

Back

False

Front

What describes the slopes m = 3/4 and m = 4/3?

Back

Neither

Front

What is the slope of a line perpendicular to y = 2x + 4?

Back

-1/2

Front

True or False: The numbers 2 and -1/2 are negative reciprocals of each other.

Back

True

Front

What is the definition of parallel lines in terms of slope?

Back

Parallel lines have the same slope.

Front

What is the definition of perpendicular lines in terms of slope?

Back

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

Front

If the slope of one line is 3, what is the slope of a line perpendicular to it?

Back

-1/3

Front

What is the slope of a line parallel to y = -5x + 1?

Back

-5

Front

If two lines have slopes of 1/2 and -2, are they parallel, perpendicular, or neither?

Back

Perpendicular