Finding Slope from Graph and Two Points

Front

Slope describes the ________ of a line.

Back

steepness

Front

What is the formula for finding the slope?

Back

(y2 - y1) / (x2 - x1)

Front

Find the slope of the line between the points (1, 2) and (3, 4).

Back

1

Front

Find the slope of the line between the points (2, 3) and (5, 7).

Back

(7 - 3) / (5 - 2) = 4/3

Front

Find the slope of the line between the points (0, 0) and (4, 2).

Back

1/2

Front

Find the slope of the line between the points (2, 5) and (2, 1).

Back

undefined (vertical line)

Front

Find the slope of the line between the points (-1, -1) and (2, 2).

Back

1

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 horizontal line?

Back

0