9-1    Graphing y = ax²

9-2    Graphing y = ax² + bx + c

9-3    Graphing Parabolas with an Automatic Grapher

9-4    Quadratic Equations and Projectiles

9-5    The Quadratic Formula

9-6    Analyzing Solutions to Quadratic Equations

9-7    Square Roots and Products

9-8    Absolute Value, Distance, and Square Roots

9-9    Distances in the Plane