Any other quadratic equation is best solved by using the Quadratic Formula. If the equation fits the form ax 2 = k or a( x − h) 2 = k, it can easily be solved by using the Square Root Property. For this reason I recommend that you use this. If you solve the equation this way you then have the option of selecting which of the four roots you want placed in M2 array. If the quadratic factors easily, this method is very quick. You can see this from the fact that the equation can easily be converted to a quadratic equation in M22 which would have two roots for M22 and therefore four roots for M2. How to identify the most appropriate method to solve a quadratic equation. Y solve( eqns, vars ) solves the system of equations eqns for the variables vars and returns a structure that contains the solutions.if b 2 − 4 ac if b 2 − 4 ac = 0, the equation has 1 real solution.If b 2 − 4 ac > 0, the equation has 2 real solutions.For a quadratic equation of the form ax 2 + bx + c = 0,.Using the Discriminant, b 2 − 4 ac, to Determine the Number and Type of Solutions of a Quadratic Equation. Then substitute in the values of a, b, c.
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