Parallel and Perpendicular Lines BASICS

Front

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

Back

y-intercept

Front

What can be said about the slopes of parallel lines?

Back

The slopes of parallel lines are the same.

Front

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

Back

slope

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

undefined

Front

What slope is perpendicular to m = 5/8?

Back

-8/5

Front

If two lines have slopes of 3 and -1/3, what can be said about them?

Back

They are perpendicular.

Front

What is the relationship between the slopes of two lines that are parallel?

Back

They are equal.

Front

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

Back

The independent variable.

Front

What is the slope of a line that rises 4 units for every 2 units it runs?

Back

2 (slope = rise/run = 4/2).