# 5.1 Modeling Data with Quadratic Functions Quadratic function: a function that can be written in the standard form of f(x) = ax 2 + bx + c where a does.

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5.1 Modeling Data with Quadratic Functions Quadratic function: a function that can be written in the standard form of f(x) = ax 2 + bx + c where a does not equal 0

Classifying Functions ex: (2x + 3) (x – 4) ex: 4(x 2 + 5) – 2(2x 2 - 9x) Determine if the function is linear or quadratic. Identify the quadratic, linear and constant terms.

Parabolas:The graph!!!! Axis of Symmetry The line that divides a parabola into 2 parts that are mirror images. Vertex The point at which the parabola intersects the axis of symmetry. Is also known as the maximum or the minimum point on the graph.

Examples of parabolas

Ex: Label the axis of symmetry and the vertex. State if the vertex is a max or a min.

Homework 10/25: #30 pg 241 1-15

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