Slope: Parallel and Perpendicular Lines

Front

What is the slope of a line that is vertical?

Back

Undefined slope.

Front

What does 'm' represent in the equation y=mx+b?

Back

Slope.

Front

What is the slope of a line parallel to y = 3x + 5?

Back

3.

Front

What is the slope of a line perpendicular to y = 4x - 1?

Back

-1/4.

Front

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

Back

Perpendicular.

Front

What is the relationship between the slopes of parallel lines?

Back

The slopes are the same.

Front

What is the slope of the line represented by the equation y = -5x + 3?

Back

-5.

Front

If a line has a slope of 0, what is its orientation?

Back

Horizontal.

Front

What is the slope of a line that is horizontal?

Back

0.

Front

If the slope of a line is 1, what is the angle of inclination?

Back

45 degrees.