2. recognize property of the number I and solutions in solving the four arithmetic operations;

3. solve quadratic equation by factoring, completing the square, quadratic formula and solving by graphing;

4. learn the technique on how to use any method for solving quadratic equation, taking the square root and transforming quadratic equations by appropriate substitution;

5. determine discriminant, and relations between roots and coefficient; and

6. use calculator in solving quadratic equation.