Parallel and Perpendicular Lines

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals

Front

Slopes of parallel lines are...

Back

identical

Front

Determine the equation of a line perpendicular to y=-3x-2 and going through the point (9, 2).

Back

Front

Write an equation that is parallel to y = -2x + 4 and runs through the point (-3, 2).

Back

Front

What is the slope of the line represented by the equation y = 4x + 1?

Back

4

Front

What is the slope of the line represented by the equation y = -5x + 2?

Back

-5

Front

If two lines have slopes m1 and m2, and m1 * m2 = -1, what can be said about the lines?

Back

They are perpendicular.

Front

If two lines have the same slope, what can be said about them?

Back

They are parallel.

Front

What is the slope of a line that is vertical?

Back

Undefined

Front

What is the slope of a line that is horizontal?

Back

0