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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
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Unit Plan
Khan Academy

Khan Academy: Graph Quadratics in Factored Form

For Students 9th - 10th Standards
Graph quadratic functions that are given in factored form. For example, graph y=(x-4)(x+2). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
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eBook
CK-12 Foundation

Ck 12: Interactive Algebra 2

For Students 9th - 10th
This Algebra 2 course has interactivity included in every lesson. Lessons include questions with immediate feedback to help you learn along the way, videos, lots of interactives (PLIX and Sims), and Adaptive Practice questions help you...
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Handout
Cuemath

Cuemath: Range in Algebra

For Students 9th - 10th Standards
Explore the world of range in Algebra in this mini-lesson. Provides a definition and examples that help with understanding how to find the range of a function and domain. Includes solved examples and interactive questions with answers.
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Lesson Plan
Annenberg Foundation

Annenberg Learner: Insights Into Algebra 1. Workshop 4

For Teachers 9th - 10th Standards
Determine the height of a bouncing ball by creating a quadratic function for each.
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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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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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Graphic
BBC

Bbc: Functions

For Students 9th - 10th Standards
This resource takes a look at graphs of functions, composite functions, inverse functions and how to use completing the square to solve quadratic functions. A number of examples and a practice test are offered.
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Activity
Texas Instruments

Texas Instruments: Mc Dougal Littell Algebra 1: Find Minimum and Maximum

For Teachers 9th - 10th Standards
Students can use the TI-84 Plus family to find the minimum or maximum and the zeros of quadratic functions.
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Whiteboard
ClassFlow

Class Flow: Exploring Quadratic Functions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Use this interactive flipchart to allow students to explore quadratic functions in algebra.
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Graphic
William Mueller

William Mueller: Families of Functions

For Students 9th - 10th Standards
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
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Unit Plan
Khan Academy

Khan Academy: Graph Quadratics in All Forms

For Students 9th - 10th
Graph quadratic functions given in any form. 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: Graph Quadratics in Standard Form

For Students 9th - 10th
Graph quadratic functions given in the standard form a squared+bx+c. For example graph y=5x squared-20x+15. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Math Medics

S.o.s. Math: Quadratic Equations: Basic Definitions

For Students 9th - 10th Standards
This S.O.S. Math tutorial offers definitions and examples of quadratic equations and quadratic functions.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear, Exponential, and Quadratic Models

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Given a table of values, determine the type of function being modeled.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Identification of Quadratic Models

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers fitting a data set to a quadratic equation.
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Unit Plan
Khan Academy

Khan Academy: Graph Quadratics in Vertex Form

For Students 9th - 10th Standards
Graph quadratic functions that are given in the vertex form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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eBook
CK-12 Foundation

Ck 12: Algebra Ii: 1.7 the Fundamental Theorem of Algebra for Quadratics

For Students 9th - 10th Standards
This section will primarily explore how the Fundamental Theorem of Algebra applies to Quadratic Functions.
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Unit Plan
BBC

Bbc: Higher Bitesize Maths: Quadratic Theory

For Students 9th - 10th Standards
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
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Activity
Other

Algebra.com: Homework Solvers

For Students 9th - 10th
This site offers both instruction and homework help in several algebraic topics, including topics within Pre-Algebra, Algebra I, and Algebra II.
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Unknown Type
Other

Kuta Software Llc: Algebra Worksheets

For Teachers 9th - 10th
Free downloadable algebra worksheets covering the basics, equations, linear equations, inequalities, trigonometry, exponents, polynomials, quadratic functions, radical expressions, rational expressions and word problems.
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Unit Plan
Khan Academy

Khan Academy: Factoring Quadratics Intro

For Students 9th - 10th
Factor quadratics of the form x squared+bx+c. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Wyzant

Wyzant: Function Graphing Calculator

For Students 9th - 10th Standards
Students input a function in either y= of f(x)= form, and then the site from WyzAnt does the rest! A detailed graph is shown in less than a second. Students can change the window used to view the graph as well as whether to have...