MATHEMATIC 3410

York UniversityMATHEMATIC 3410RootsQuadraticSE. Last document update:   ago

Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Factor x 2 + 3x + 2 by filling in the blanks: x 2 + 3x + 2 = (x + )(x + ) (Hint: The numbers in the blanks have a sum of 3 and a product of 2.) 2. What two values of x make the product above equal to zero? 3. Plug each of these values into x 2 + 3x + 2. What do you get? Gizmo Warm-up Quadratic functions are functions of the form f(x) = ax2 + bx + c. The graph of a quadratic function is a parabola, as shown to the righ...