1. Quadratic Functions and Modeling
Honors Advanced Algebra II with Trigonometry
Ms. Lee

2. Essential Stuff Essential Question Essential Vocabulary
What is a quadratic function and how can you create a quadratic model given data?
Essential Vocabulary
Quadratic Function
Quadratic, linear, and constant terms
Quadratic model

3. Quadratic Functions Standard Form of a Quadratic Function
f (x) = ax² + bx +c
ax² : quadratic term
bx : linear term
c : constant term

4. Quadratic Functions Graph of a quadratic function is a parabola
The axis of symmetry is the line that divides the parabola into two parts that are mirror images
The vertex is the point at which the parabola intersects the axis of symmetry

5. Quadratic Models
Given points on a quadratic function, we can find a model for the data by…
Plugging in points and solving the resulting system of equations
Calculating a quadratic regression equation on the calculator.
Examples…

6. Homework:
Homework 3.1