In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a value that indicates the rate at which the y value of a ...

The y-intercept is the point at which a linear equation crosses the y-axis on the x=0 plot point. The equation to determine both the slope and the y-intercept of a line is y=mx+b. This calculation may ...

We all know that Excel can make some gorgeous charts and graphs, but if you are like 30 Rock's Liz Lemon and don't know your scatter plot from your triangle graph ("I don't know. It sounded real!"), ...