Finding Slope

Front

What is the formula to find the slope of a line?

Back

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

Front

Find the slope of the line passing through (5, 15) and (6, 5).

Back

-10

Front

Find the slope of the line that passes through (10, -6) and (-5, 4).

Back

-2/3

Front

Find the slope of the line passing through (3, 9) and (4, 12).

Back

3

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that the line rises as it moves from left to right.

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line falls as it moves from left to right.

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

0

Front

If two points have the same y-coordinate, what can you say about the slope?

Back

The slope is 0, indicating a horizontal line.

Front

If two points have the same x-coordinate, what can you say about the slope?

Back

The slope is undefined, indicating a vertical line.