Y is also commonly used in Slope Intercept form. Y = mx+b. Where y is the dependent variable(the answer for a value of x, the one you are changing),m is the slope of the line, and b is the value for y when x is 0. For example: y=3x+5. When x is 0, y is 5, and when x is 5 (just a random number) y is 20
