The slope of a line is the amount of units it goes across the x axis by how many units it goes up the y axis. A line with slope 3 goes 3 spaces up for every one space along.
To calculate the slope of a line you need only two points from that line, (x1, y1) and (x2, y2). There are three steps in calculating the slope of a straight line when you are not given its equation.
Step-by-step explanation:
Step One: Identify two points on the line. Step Two: Select one to be (x1, y1) and the other to be (x2, y2).
