2023 Perpendicular Slopes & Writing Equations

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

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

Back

-1/3.

Front

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

Back

They are perpendicular.

Front

Back

-1/2.

Front

If two lines are parallel, what can we say about their slopes?

Back

Their slopes are identical.

Front

Back

1/4.

Front

Back

-1/2.

Front

If a line has a slope of 0, what type of line is it?

Back

It is a horizontal line.

Front

Back

-3.

Front

Back