Those two factors are a positive 4 and a negative 4. Of course, if you add those together, you get zero. So those are our two numbers. Using the shortcut method, all we have to do is put in our two ...

As with the squares, not every number is a cube. We can use numbers like 1 = 1³, 8 = 2³ and 125 = 5³, but we can never use 2, 3, 4, 10, 108 or most other numbers. But unlike squares, perfect cubes can ...

The sum of squares is used to calculate whether a linear relationship exists between two variables, and any unexplained variability is referred to as the residual sum of squares (RSS).