Slope from a Graph

Front

What is the slope of a horizontal line?

Back

Zero

Front

What is the slope of a vertical line?

Back

Undefined

Front

How do you calculate the slope between 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 = 3x + 2?

Back

3

Front

What is the slope of the line represented by the equation y = -2x + 5?

Back

-2

Front

If a line has a slope of 0, what can be said about its direction?

Back

It is horizontal.

Front

If a line has an undefined slope, what can be said about its direction?

Back

It is vertical.

Front

What is the slope of the line that passes through the points (1, 2) and (3, 6)?

Back

2