Parallel and Perpendicular Lines

Front

Slopes of parallel lines are...

Back

identical.

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

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

Back

Parallel

Front

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

Back

Perpendicular

Front

What is the slope of a line parallel to the line whose equation is: -2x + y = -7?

Back

2

Front

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

Back

-1/2

Front

What is the slope of a line parallel to the line whose equation is: -2x + y = -7?

Back

2

Front

What slope is perpendicular to:  
m = 5/8

Back

-8/5

Front

What slope is perpendicular to:
m = 3
Options: -3, -1/3, 1/3, 3

Back

-1/3

Front

What slope is parallel to:  
m = 4

Back

4