Finding Slope from a Table, Graph, and Points

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

Zero

Front

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

Back

Slope (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 the line that passes through the points (2, 3) and (4, 7)?

Back

2

Front

If a line has a slope of -1, what does this mean about the angle of the line?

Back

The line descends at a 45-degree angle.

Front

What is the slope of the line that passes through the points (1, 2) and (1, 5)?

Back

Undefined (vertical line).

Front

What is the slope of the line that passes through the points (3, 4) and (5, 4)?

Back

0 (horizontal line).

Front

If the slope of a line is 3, what is the rise over run?

Back

Rise = 3, Run = 1.