Writing Equations of Parallel and Perpendicular Lines

Front

Fill in the blank: Parallel lines have the ____ slope.

Back

same

Front

Fill in the blank: Perpendicular lines have _________ _________ slopes.

Back

opposite reciprocal

Front

Find the equation of the line perpendicular to y = (2/3)x + 6 and passes through the point (6, 6).

Back

y = (-3/2)x + 15

Front

Find the equation of the line parallel to y = -x + 7 and passes through the point (-2, 5).

Back

y = -x + 3

Front

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

Back

1/2

Front

What is the slope of a line parallel to the line y = 5x + 7?

Back

5

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are opposite reciprocals.

Front

If the slope of a line is 3, what is the slope of a line perpendicular to it?

Back

-1/3

Front

If the slope of a line is -4, what is the slope of a line parallel to it?

Back

-4