Front

The slopes of perpendicular lines are

Back

opposite reciprocals

Front

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

Back

Parallel

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

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

Back

Neither

Front

What kind of lines are these?
Options: Parallel lines, Line segments, Perpendicular Lines, Intersecting lines

Back

Parallel lines

Front

What kind of intersecting lines are these?

Parallel Lines

,

Perpendicular Lines

,

adjacent

,

opposite

Back

Perpendicular Lines

Front

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

Back

Neither

Front

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

Back

Perpendicular

Front

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

Back

Neither