Quadratic Modeling Lesson

Exploring Quadratic Functions

A deep dive into the world of quadratic functions, their properties, and applications. Discover the power of parabolas and how they can be used to model real-world phenomena. Explore the vertex form, standard form, and graphing techniques to gain a comprehensive understanding of quadratic functions.

Exploring Quadratic Functions

Learn how to construct and interpret quadratic functions from data points to model real-life phenomena. Understand the key characteristics of the graph of a quadratic function and how it can explain contextual situations. Apply mathematics to real-life situations and model real-life phenomena using mathematics.

Multiple Choice

What can quadratic functions be used for?

• To model real-life phenomena

• To construct and interpret linear functions

• To understand the key characteristics of the graph of a linear function

• To apply mathematics to imaginary situations

Quadratic Functions:

Trivia: Quadratic functions are used to model real-life phenomena. They can describe the motion of objects, such as projectiles, and the shape of natural phenomena, like the trajectory of a thrown ball. They are also used in fields like physics, engineering, and economics to analyze and predict various phenomena.

Exploring Quadratic Functions

Use function notation to build and evaluate quadratic functions. Identify the effect on the graph when replacing f(x) with f(x) + k, kf(x), f(kx), and f(x + k). Graph and analyze key characteristics of quadratic functions. Relate domain and range to the graph and quantitative relationship.

Multiple Choice

What is the effect on the graph when replacing f(x) with f(x) + k, kf(x), f(kx), and f(x + k)?

• The graph shifts vertically upwards by k units

• The graph stretches vertically by a factor of k

• The graph shifts horizontally to the right by k units

• The graph stretches horizontally by a factor of k

Vertical Shift

• f(x) + k: The graph shifts vertically upwards by k units.

Exploring Quadratic Functions

• A.FGR.7.5 - Rewrite a quadratic function to reveal its maximum or minimum value and explain its context.
• A.FGR.7.6 - Create quadratic functions to represent relationships between quantities and graph them on coordinate axes.
• A.FGR.7.7 - Estimate and interpret the average rate of change of a quadratic function and compare it to linear functions.
• A.FGR.7.8 - Write a quadratic function in different forms to reveal different properties.
• A.FGR.7.9 - Compare characteristics of two functions represented in different forms.

Multiple Choice

Which of the following topics is NOT covered in the passage 'Exploring Quadratic Functions'?

• Rewriting quadratic functions to reveal their maximum or minimum value

• Creating quadratic functions and graphing them on coordinate axes

• Estimating and interpreting the average rate of change of a quadratic function

• Comparing characteristics of two functions represented in different forms

Comparing Functions

Trivia: The passage 'Exploring Quadratic Functions' covers various topics, including rewriting quadratic functions, creating and graphing them, and estimating and interpreting average rate of change. However, it does not cover comparing characteristics of two functions represented in different forms. This topic involves analyzing and contrasting the properties and behaviors of different functions.

Exploring Quadratic Functions

Learn how to explain contextual, mathematical problems using a mathematical model. Create mathematical models to explain phenomena in various contexts. Use different mathematical representations and structures to solve real-life problems. Define appropriate quantities for descriptive modeling. Mathematical Practices 1, 3, and 6 support learning in every lesson. Georgia Department of Education, May 2023.