Parallel and Perpendicular Slopes

Front

What is the slope of a line parallel to y = ½x + 4?

Back

1/2

Front

What describes the relationship between the slopes m = 7 and m = -7?

Back

Neither parallel nor perpendicular.

Front

True or False: The slopes of perpendicular lines are negative reciprocals of each other.

Back

True

Front

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

Back

True

Front

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

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 negative reciprocal of 3?

Back

-1/3

Front

If the slope of one line is 4, what is the slope of a line perpendicular to it?

Back

-1/4

Front

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

Back

-3