Slope (Parallel and Perpendicular Lines)

Front

What is the slope of a line parallel to a line with slope m = 4?

Back

4

Front

What do two lines that are perpendicular have in terms of slope?

Back

Slope that is opposite reciprocals

Front

What type of slope does a line that rises from left to right have?

Back

Positive

Front

Find the slope of the line that passes through the points (1, 2) and (4, -1).

Back

-5/3

Front

Find the slope of the line that passes through the points (2, 3) and (6, 5).

Back

1/2

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If the slope of a line is -3/4, what is the slope of a line parallel to it?

Back

-3/4

Front

If the slope of a line is 2, what is the slope of a line perpendicular to it?

Back

-1/2

Front

What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)