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 (1, 2) and (4, -1).

Back

-5/3

Front

What does a slope of 0 indicate about the line?

Back

The line is horizontal.

Front

Which two types of lines have undefined slopes?

Back

Vertical lines.

Front

What is the slope of a vertical line?

Back

Undefined

Front

If a line has a positive slope, what direction does it go?

Back

It rises from left to right.

Front

If a line has a negative slope, what direction does it go?

Back

It falls from left to right.

Front

What is the slope of a line that goes straight up and down?

Back

Undefined

Front

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

Back

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

Front

What is the slope of a line that is perfectly flat?

Back

Zero