Intro to Parallel and Perpendicular Slopes

Front

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

Back

4

Front

What is the slope of a line parallel to m = 3/4?

Back

3/4

Front

What are the slopes of perpendicular lines?

Back

Opposite reciprocals.

Front

What is the slope of a line perpendicular to 5?

Back

-1/5

Front

Are the lines y = 4x + 2 and y = (-1/4)x + 12 perpendicular?

Back

YES

Front

Define parallel lines in terms of slope.

Back

Parallel lines have identical slopes.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are opposite reciprocals.

Front

If the slope of one line is 2, what is the slope of a line perpendicular to it?

Back

-1/2

Front

What is the slope of a line parallel to m = -3?

Back

-3

Front

If two lines have slopes of 1/2 and -2, are they perpendicular?

Back

YES