Topic 2: Parallel and Perpendicular Lines II

Front

What is the slope of a line parallel to the line represented by the equation y = mx + b?

Back

The slope of a line parallel to the line represented by the equation y = mx + b is the same as m.

Front

What is the slope of a line perpendicular to the line represented by the equation y = mx + b?

Back

The slope of a line perpendicular to the line represented by the equation y = mx + b is -1/m.

Front

If two lines are parallel, what can be said about their slopes?

Back

If two lines are parallel, their slopes are equal.

Front

If two lines are perpendicular, what can be said about their slopes?

Back

If two lines are perpendicular, the product of their slopes is -1.

Front

Determine the slope of the line parallel to y = -6x + 3.

Back

The slope is -6.

Front

Determine the slope of the line parallel to y = 5x - 3.

Back

The slope is 5.

Front

Determine the slope of the line perpendicular to y = -3x - 2.

Back

Front

Determine the slope of the line perpendicular to the line passing through the points (-1,4) and (2,6).

Back

Front

What is the slope of a line that is parallel to y = -2x + 4?

Back

The slope is -2.

Front

What is the slope of a line that is perpendicular to y = -2x + 4?

Back