Divide 5000 by 100 to get y. 10 7 3. It is used most when the quadratic equation is non-factorable.
Another one you may have seen is the area of a circle with radius r.
Here is a list of Algebraic formulas a 2 b 2 a ba b a b 2 a 2 2ab b 2. Ou can use the quadratic formula to solve ANY quadratic equation. Since 5000100 50 y 50. This video gives an overview of Algebra and introduces the concepts of unknown values and variables.