Finding Slope

Front

What is the formula to find the slope of a line between two points (x1, y1) and (x2, y2)?

Back

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

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 (10, 1) and (5, 2).

Back

-1/5

Front

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

Back

-6

Front

What does it mean when the slope of a line is undefined?

Back

The line is vertical.

Front

Find the slope of the line that passes through the points (-6, 2) and (0, 4).

Back

1/3

Front

What is the slope of a horizontal line?

Back

0

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

If a line has a slope of 1, what does it look like?

Back

It is a positive diagonal line.