3.3 Slopes of Lines

Front

The slope of a VERTICAL line is ____________________.

Back

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Front

The slope of a HORIZONTAL line is ____________________.

Back

zero

Front

If the slopes of two lines are m = 5 and m = -1/5, how do the lines relate?

Back

Perpendicular

Front

Find the slope of the line represented by the points (2, 3) and (4, 4).

Back

1/2

Front

Find the slope of the line represented by the points (1, 2) and (3, 0).

Back

-1

Front

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

Back

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

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

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