Parallel or Perpendicular?

Front

What is the slope of a line perpendicular to y = 2x - 7?

Back

-1/2

Front

What does 'm' represent in the equation y = mx + b?

Back

Slope

Front

What can be said about the slopes of parallel lines?

Back

They are identical.

Front

What can be said about the slopes of perpendicular lines?

Back

They are opposite reciprocals.

Front

What slope is perpendicular to m = 5/8?

Back

-8/5

Front

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

Back

3

Front

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

Back

1/4

Front

What is the slope of a line that is horizontal?

Back

0

Front

What is the slope of a line that is vertical?

Back

Undefined

Front

In the equation y = mx + b, what does 'b' represent?

Back

y-intercept