Parallel and Perpendicular Slopes

Front

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

Back

-2

Front

What can be said about the slopes of parallel lines?

Back

They are identical.

Front

Which two lines are parallel: Line A (y = 2x + 1) and Line B (y = 2x - 3) or Line A and Line C (y = -1/2x + 4)?

Back

Line A and Line B.

Front

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

Back

True.

Front

What is the relationship between the slopes of perpendicular lines?

Back

They are negative reciprocals of each other.

Front

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

Back

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 the line represented by the equation y = 5x + 2?

Back

5.

Front

Identify the slope of the line y = -3x + 1.

Back

-3.

Front

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

Back

Perpendicular.