Parallel and Perpendicular Lines (Slope Relationships)

Front

Slopes of parallel lines are

Back

Same

Front

Parallel lines

Back

never intersect.

Front

Perpendicular lines intersect at a

Back

90 degree angle

Front

Line C is parallel to Line B. If the slope of line B is ⅖, what is the slope of line C?

Back

⅖

Front

Slopes of perpendicular lines are

Back

opposite reciprocal

Front

Lines K and L are perpendicular. The slope of line K is -2. What is the slope of line L? Options: ½, -½, 2, -2

Back

½

Front

Which of the following equations represent a line parallel to the line represented by the given equation: y = -3x - 11? Options: y = ⅓x + 4, y = -3x - 11, y = 3x + 8, y = -⅓x + 7

Back

y = -3x - 11

Front

What slope is perpendicular to: m = 5/8

Back

-8/5

Front

What slope is parallel to: m = 4? Options: 4, -1/4, -4, 1/4

Back

4

Front

What slope is perpendicular to: m = -3?

Back

1/3