Identifying the Slope

Front

What does slope mean?

Back

The constant rate of change.

Front

What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If a line rises from left to right, what is the sign of its slope?

Back

Positive

Front

If a line falls from left to right, what is the sign of its slope?

Back

Negative

Front

What does a slope of 1 indicate about a line?

Back

The line rises one unit up for every one unit it moves to the right.

Front

What does a slope of -1 indicate about a line?

Back

The line falls one unit down for every one unit it moves to the 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 = -rac{1}{2}x + 4?

Back

-\frac{1}{2}