12-1 Quadratic Equations with Perfect Squares: To solve quadratic equations involving perfect squares.

12-2 completing the Square: To solve quadratic equations by completing the square.

12-3 The Quadratic Formula: To learn the quadratic formula and use it to solve equations.

12-4 Graphs of Quadratic Equations: The Discriminant: To use the discriminant to find the number of roots of the equation ax2+bx+c =0 and the number of x-intercepts of the graph of the related equation y=ax2+bx+c.

12-5 Methods of Solution: To choose the best method for solving a quadratic equation.

12-6 Solving Problems Involving Quadratic Equations: To use quadratic equations to solve problems.

12-7 Direct and Inverse Variation Involving Squares: To use quadratic direct variation and inverse variation as a square in problem solving.

12-8 Joint and Combined Variation: To solve problems involving joint variation and combined variation.