The slope is a measure of the steepness of a line, or a section of a line, connecting two points.
Or
The slope of a line is the ratio of the amount that y increases as x increases some amount. Slope tells you how steep a line is, or how much y increases as x increases.
Types of slopes
*postive slope (when lines go uphill from left to right)
*negative slope (when lines go downhill from left to right)
*zero slope (when lines are horizontal)
*undefined slope (when lines are vertical)