Chapter 5

Quadratic Functions

Graphing parabolas — upward, downward, narrow, and wide — the vertex formula, the discriminant, the quadratic formula, and solving quadratic inequalities.

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Quadratic Functions

5.1 Graph of y = x² + bx + c

5.2 Graph of y = −x² + bx + c

5.3 Graph of y = ax²

5.4 Graph of y = ax² + bx + c

5.5 Discriminant of a Quadratic Function

5.6 Quadratic Formula of ax² + bx + c = 0

5.8 Quadratic Inequality