While I can understand the impulse showing students how the Formula was invented and thereby providing a concrete example of the usefulness of abstract symbolic manipulation the computations involved are often a bit beyond the average student at this point. This is done by completing the square for the generic quadratic equation ax 2 bx c 0. A2x2abx-ac Multiply by 4.
F x a x 2 b x c 0 x b b 2 4 a c 2 a I remember a tutor once showing me a method for deriving the quadratic formula using calculus somehow.
A Fun Waste Of Champagne. Daily Dosage Subscribe Unsubscribe 898. Steps on How to Derive the Quadratic Formula Step 1. Ax2bxc0 Take c to the right side.