In order use the quadratic formula the quadratic equation that we are solving must be converted into the standard form otherwise all subsequent steps will not work. A quadratic equation can be solved by using the quadratic formula. Y 2 2y 2.
Uses the quadratic formula to solve a second-order polynomial equation or quadratic equation.
Identify a b and c. In elementary algebra the quadratic formula is a formula that provides the solutions to a quadratic equationThere are other ways of solving a quadratic equation instead of using the quadratic formula such as factoring direct factoring grouping AC method completing the square graphing and others. Use the quadratic formula to solve the equation 0 is equal to negative 7q squared plus 2q plus 9. You can also use Excels Goal Seek feature to solve a quadratic equation.