This week in Precalc 11 I learned the quadratic formula and its use. The formula is an easy way to solve most quadratic equations, and it looks like this:

This formula can be input with the pieces of a quadratic formula if with the numbers being

This formula can take a while to use in terms of calculations and inputting information, but its much more straightforward than factoring or completing the square. Additionally, it’s a great go-to if a calculator is at hand.