Slope, Parallel, Perpendicular, Write Equations

Front

Slopes of parallel lines are...

Back

equal.

Front

Back

y-intercept

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

Back

slope

Front

Back

Front

Back

2

Front

If two lines have slopes of 4 and -\frac{1}{4}, what can be said about their relationship?

Back

They are perpendicular.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Slope = \frac{y2 - y1}{x2 - x1}.