parallel and perpendicular slopes

Front

What is the slope of a line that is perpendicular to a line with a slope of m = 5/8?

Back

-8/5

Front

Which figure shows a set of perpendicular lines?

Back

Figure 2

Front

Are the lines represented by the equations y = -1/3x - 5 and y = 1/3x + 2 parallel, perpendicular, or neither?

Back

Neither

Front

Two lines that are parallel will have ...

Back

Slope that is the same

Front

What direction is an undefined slope?

Back

Vertical

Front

What is the slope of a line that is parallel to a line with a slope of 3?

Back

3

Front

If two lines have slopes m1 and m2, and m1 * m2 = -1, what can we say about the lines?

Back

They are perpendicular.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If a line has a slope of -2, what is the slope of a line that is parallel to it?

Back

-2