Finding Slope

Front

What is the slope of a horizontal line?

Back

Zero

Front

Find the slope of the line that passes through the points (2, 4) and (6, 12).

Back

2

Front

Find the slope of the line that passes through the points (8, 5) and (9, -1).

Back

-6

Front

What is the slope of a vertical line?

Back

Undefined

Front

When you have slope with a ZERO in the numerator, what is the slope?

Back

Zero

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

Back

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

Front

If the slope of a line is 0, what does that tell you about the line?

Back

The line is horizontal.

Front

If the slope of a line is undefined, what does that tell you about the line?

Back

The line is vertical.