And it can be solved using the Quadratic Formula. If D 0 then you can write x in complex form. 2 b a 2 D a Cubic formula Its possible to imitate this proce ss to derive a formula for solving a cubic equation ax3 bx2 cx d 0 with specified real coefficients a 0 b c and d.
Use your method to solve each quadratic equation.
Deriving the Quadratic Formula Comic Book FUN Notes Doodle Pages plus PracticeStudents have always had difficulty deriving the Quadratic Formula but now with this great step by step Doodle Note handout with a Comic Book Theme they will breeze right through it and grasp the concepts. The internet has many resources -- lesson plans videos and presentations. Ax2 bx c 0 We will use our knowledge of completing the square to solve for x by rewriting ax2 bx c 0. It stems from the fact that any quadratic function or equation of the form y ax2 bx c can be solved for its roots.