Parallel and Perpendicular Lines

Front

Slopes of parallel lines are...

Back

the same.

Front

Slopes of perpendicular lines are...

Back

negative reciprocals.

Front

y = 3x +2

y = 3x - 3

These lines are...

Options: Parallel, Perpendicular, Neither

Back

Parallel

Front

y = -2/3x + 2
y = 3/2x + 9
These lines are...

Back

Perpendicular

Front

A line is perpendicular to y = 2x - 7. What is the slope of this line?

Back

-1/2

Front

What slope is parallel to:  
m = 3/4

Back

3/4

Front

What slope is perpendicular to:  
m = 5/8

Back

-8/5

Front

y = 5/7x +2
y = 5/7x - 30
These lines are...

Back

Parallel

Front

y = 6x + 2
y = -6x + 2
These lines are...

Back

Neither

Front

Equation of a line perpendicular to y = 3x + 2 through (9, -2)

Back

y = -1/3x + 1