Y m x b displaystyle ymxb where m and b are constants numbers like 3 10 -12 4 3 3 5 displaystyle frac 4 3 frac 3 5. The slope of the regression line can now be found using the rise over the run formula. For the polynomial having a degree three is known as the cubic polynomial.
The basic cubic function f x x 3 is graphed below.
This is the graph of the equation y 0x30x22x0which simplifies to y 2x. So at point a or x 0 value of y -1 and at point b or x 2 value of y 3. Move the cslider to get different values of c. Brought to you by Sciencing.