Parallel and Perpendicular Lines

Front

Parallel lines have __________ slopes

Back

Equal

Front

The slopes of two lines are represented as m=-\frac{1}{3} and m=-\frac{1}{3}. What describes the two lines?

Back

Parallel

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

What slope is parallel to m = \frac{3}{4}?

Back

\frac{3}{4}

Front

What is the slope of a line perpendicular to 5?

Back

-\frac{1}{5}

Front

If two lines have slopes m_1 and m_2, and m_1 = 2, what is the slope of a line perpendicular to it?

Back

-\frac{1}{2}

Front

What is the relationship between the slopes of parallel lines?

Back

They are equal.

Front

If a line has a slope of 0, what can be said about its orientation?

Back

It is horizontal.

Front

What is the slope of a vertical line?

Back

Undefined.

Front

If two lines are perpendicular, and one line has a slope of 4, what is the slope of the other line?

Back

-\frac{1}{4}