Slope is the angle at which a line differs from the horizontal. On a coordinate plane, slope is defined as change in y, divided by change in x, also known as rise over run.
Continue ReadingA straight line always has the same slope no matter how much of it considered. For convenience, find two points where the line intersects the coordinate plane at easy-to-read points rather than between whole numbers.
If you chose the points (0, 3) and (3, -3), for example, begin by finding the difference between the two y coordinates. In this case, the answer is either 6 or -6, depending on which order you perform the operation. As long as you perform the operation in the same order when you find the difference between x coordinates, this difference does not matter.
If you subtracted 3 from -3 to find the value for change in y, subtract 0 from 3 to find the change in x. If you originally subtracted -3 from 3 to find the change in y, then subtract 3 from 0 to find the change in x.
Depending on the order you chose, you are either dividing -6 by 3, or 6 by -3. In either case, the answer is -2. This is the slope of the line. In the standard form for a linear equation, y = mx + b, m stands for the slope.