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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Quadratic Functions

For Students 9th - 10th
Twenty problems present a variety of problems working with various aspects of quadratic functions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
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Activity
Analyze Math

Analyze Math: Quadratic Functions: Problems (1)

For Students 9th - 10th Standards
The tutorial demonstrates how to use quadratic functions to solve word problems. Some topics discussed are minimum points, maximum points, and vertex. The activity consists of examples with detailed solutions.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Quadratic Functions in Intercept Form

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Find the x-intercepts and vertex of a quadratic function by writing it in intercept form and solve real-world problems. Students examine guided notes, review guided...
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Unit Plan
Texas Education Agency

Texas Gateway: Solving Quadratic Equations Using Graphs

For Students 9th - 10th
Given a quadratic equation, the student will use graphical methods to solve the equation.
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Unit Plan
Department of Defense

Do Dea: Algebra 1: Semester Ii: Quadratics and Radicals

For Students 9th - 10th Standards
A learning module through which students learn about quadrics and radicals including quadratic functions, solving quadratic equations, radicals, operations on radicals, and radical equations.
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Unit Plan
CK-12 Foundation

Ck 12: Analysis: Methods for Solving Quadratic Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson applies factoring a quadratic equation to other types of polynomials that are in "quadratic form."
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphing Calculator to Graph Quadratic Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to use a graphing calculator to graph quadratic equations. Students examine guided notes, review guided practice, and attempt practice problems.
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Handout
Other

Quick Math: Quadratic Equations

For Students 9th - 10th Standards
Complete step-by-step investigation of quadratic functions, allowing the user to input the function. Each step, from solving f(x) = 0 to graphing and finding extreme points, is covered in depth, via links for each step (requires...
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Unit Plan
Khan Academy

Khan Academy: Solving Quadratics by Completing the Square

For Students 9th - 10th Standards
Practice some multiple-choice problems solving quadratics by completing the square.
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Lesson Plan
University of Texas at Austin

Mathematics Teks Toolkit: Quadratic Functions

For Teachers 9th - 10th Standards
Students use a real-world problem to solve for quadratic functions.
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Unit Plan
Interactive Mathematics

Interactive Mathematics: Quadratic Equations

For Students 9th - 10th Standards
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
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eBook
Math Planet

Math Planet: Algebra 2: How to Solve Quadratic Equations

For Students 9th - 10th Standards
Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]
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Handout
Purple Math

Purplemath: Completing the Square: Solving Quadratic Equations

For Students 9th - 10th Standards
Purplemath gives several examples which clearly show the process of completing the square to find the maximum and minimum solutions to a quadratic equation.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Definition of Quadratic Function

For Students 9th - 10th
Dr. Math briefly defines a quadratic function.
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Handout
Purple Math

Purplemath: Solving Quadratic Equations by Factoring

For Students 9th - 10th
Demonstrates how to solve quadratics using factoring (that is/the Zero-Product Property). Provides worked examples/and warnings about common mistakes.
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Activity
Texas Instruments

Texas Instruments: Quadratic Functions

For Teachers 9th - 10th
Students can use quadratic functions to solve physical problems. Students can use the y = a(x-h)^2 + k form and the velocity formula (0 = -16t^2 + vt + s).
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Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Quadratic Equations Study Guide

For Students 9th - 10th
This comprehensive study guide highlights the main terms and formulas needed to review graphing quadratic equations. Examples are included.
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Interactive
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Quadratics

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
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Unit Plan
Khan Academy

Khan Academy: Solve Quadratics by Factoring (Intro)

For Students 9th - 10th
Solve quadratic equations of the form x^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Solve Quadratics by Factoring

For Students 9th - 10th Standards
Solve quadratic equations of the form ax^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Lesson Plan
Cuemath

Cuemath: Functions

For Students 9th - 10th Standards
In this mini-activity, students will learn about the world of functions. They will explore topics such as how to represent a function, conditions for a function, how to solve a function, types of functions, and various graphs of...
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Lesson Plan
Other

Nearpod: Quadratic Equations: Intro & Factoring

For Teachers 9th - 10th
In this lesson, learners will learn the main parts of a parabola and solve quadratic equations by factoring.
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Lesson Plan
PBS

Wnet: Thirteen: Math in Basketball: Lesson Plan

For Teachers 9th - 10th
In this lesson plan, students will explore ways that mathematics are used in basketball. Students will explore the concept of a function and will learn to use function notation. Students will recognize, describe, and represent quadratic...
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Lesson Plan
Cuemath

Cuemath: Transformation of Functions

For Students 9th - 10th Standards
In this mini-lesson, we will learn about transformations of functions, transformations of exponential functions, and transformations of quadratic functions. Check out the interactive simulations to know more about the lesson and try your...