3.3 Slope

Front

What is the formula to calculate the slope of a line given 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 (1, 2) and (3, 4).

Back

1

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

What does an undefined slope indicate about a line?

Back

The line is vertical.

Front

Find the slope of the line that passes through the points (2, 3) and (5, 11).

Back

(11 - 3) / (5 - 2) = 8/3

Front

If a line has a slope of -2, what does this indicate about the direction of the line?

Back

The line decreases as it moves from left to right.

Front

Find the slope of the line that passes through the points (-1, -1) and (2, 2).

Back

(2 - (-1)) / (2 - (-1)) = 3/3 = 1

Front

What is the slope of a line that is perfectly diagonal from the bottom left to the top right?

Back

Positive slope (m > 0)