PARALLEL & PERPENDICULAR LINES

Front

Slopes of parallel lines are...

Back

identical.

Front

If a line has a slope of 7, what is the slope of a line parallel to it?

Back

7

Front

What slope is parallel to: m = 4?

Back

4

Front

y = -2/3x + 2 and y = 3/2x + 9 are...

Back

Perpendicular

Front

The slopes of parallel lines are...

Back

the same

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

What is the slope of a line perpendicular to a line with a slope of 5?

Back

-1/5

Front

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

Back

Perpendicular

Front

The slope of a horizontal line is...

Back

0.

Front

The slope of a vertical line is...

Back

undefined.