At the end of this module, students are expected to:

distinguish what is quadratic equation and complex numbers;

recognize property of the number I and solutions in solving the four

arithmetic operations;

solve quadratic equation by factoring, completing the square, quadratic

formula and solving by graphing;

learn the technique on how to use any method for solving quadratic equation,

taking the square root and transforming quadratic equations by

appropriate substitution;

determine discriminant, and relations between roots and coefficient; and

use calculator in solving quadratic equation.