Quadratic Equations and Inequalities This instructional material was collaboratively developed and reviewed by educators from public and private schools colleges andor universities. The quadratic equations x 2 ax b 0 and x 2 px q 0 have a common root and the second equation has equal roots show that b q ap2. Solution of a Quadratic Equation by different.
Solve an equation of the form a x 2 b x c 0 by using the quadratic formula.
Related Graph Number Line Examples. 3x² 4x 2 0. Solve an equation of the form a x 2 b x c 0 by using the quadratic formula. 7x2 9x 2 0 is a quadratic equation because this equation is in the form ax2 bx c 0 where a 7 b 9 and c 2 and the variable is a second degree variable.