finding slope from a graph

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 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 represented by the equation y = 4x + 1?

Back

4

Front

What is the slope of the line represented by the equation y = -2x + 3?

Back

-2

Front

If a line has a slope of 1/4, what does this mean in terms of rise over run?

Back

For every 1 unit rise, there is a 4 unit run.

Front

What is the slope of the line if it is represented by the points (2, 3) and (2, 5)?

Back

Undefined

Front

What is the slope of the line if it is represented by the points (1, 2) and (4, 5)?

Back

1/3