Counting Slope

Front

How do you calculate slope using a graph?

Back

Pick two points and count rise over run.

Front

What is the slope of a line that rises 3 units and runs 6 units?

Back

1/2

Front

What is the slope of a line that falls 3 units and runs 2 units?

Back

-3/2

Front

What is the slope of a line that falls 2 units and runs 2 units?

Back

-1

Front

What is the slope of a line that falls 5 units and runs 4 units?

Back

-5/4

Front

What does a positive slope indicate about a line?

Back

The line rises as it moves from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls as it moves from left to right.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

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

Back

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