They are not values or exponents. Calculating Slope Given Two Points. Enter any Number into this free calculator.
M y 2 - y 1 x 2 - x 1 Substitute 4 -2 for x 1 y 1 and -1 2 for x 2 y 2.
Which translates to the rise divided by the run. M Y 2 Y 1 X 2 X 1 The answer M is the slope of the line. The slope formula can give a positive or negative result. Horizontal lines have a zero slope.