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Lesson Plan
Ohio Department of Education

The Solution is Complex

For Teachers 9th - 12th Standards
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
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Assessment
Concord Consortium

Transformations-Diagnostic

For Students 9th - 12th Standards
Change the way you teach about rewriting expressions. A diagnostic task asks learners to transform expressions in different ways. Given two linear expressions and two quadratic expressions, they rewrite them into the indicated forms.
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Lesson Plan
Curated OER

Connecting Factors and Zeros

For Teachers 9th - 12th Standards
In this Algebra II instructional activity, students explore the connection between the factored form of a quadratics and the zero of a function. Students use a graphing calculator to verify factoring numerically and graphically.
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Worksheet
Curated OER

Polynomial Function Exam 4

For Students 10th - 12th
In this polynomial learning exercise, students solve 12 questions. The first five questions deal with the roots of the polynomials. Students state the inverse for one problem and the reciprocal for one problem. They make three graphs,...
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Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 11th
Students factor trinomials and other quadratic functions. In this algebra lesson, students solve trinomials containing negative and positive coefficients. They factor quadratics of difference squares as well as regular polynomials.
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Lesson Plan
Curated OER

Introduction to Solving Quadratic Equations by Factoring

For Teachers 7th - 10th
Students solve quadratic equations. In this algebra lesson, students factor and graph linear and quadratic functions. They identify the standard and linear form of each equation.
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Handout
Del Mar College

Quick Reference Card

For Students 9th - 12th Standards
A neat and organized formula handout makes the circle go round, doesn't it? Full of higher algebra topics, formulas and rules, graphs and definitions—there is a way to support everyone in Algebra II or Pre-Calculus. 
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Worksheet
Curated OER

Solving Quadratic Equations

For Students 9th - 11th
In this Algebra I/Algebra Ii worksheet, students use factoring to solve quadratic equations.  The three page worksheet contains a combination of thirty-one multiple choice and free response questions.  Answer key is provided. 
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eBook
Rice University

Intermediate Algebra

For Students 9th - 12th Standards
Algebra concepts are all wrapped up in one nice bow. The resource combines all the concepts typically found in Algebra I and Algebra II courses in one eBook. The topics covered begin with solving linear equations and move to linear...
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eBook
Rice University

College Algebra

For Students 9th - Higher Ed Standards
Is there more to college algebra than this? Even though the eBook is designed for a college algebra course, there are several topics that align to Algebra II or Pre-calculus courses. Topics begin with linear equation and inequalities,...
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Interactive
CK-12 Foundation

Zero Product Principle: Mysterious Parabolas

For Students 8th - 10th Standards
Be a hero, not a zero! Help your classes understand how to solve quadratic equations with the zero product property using an animated simulation. Using the controls, scholars manipulate the zeros and watch as the function and its factors...
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Assessment
CCSS Math Activities

Smarter Balanced Sample Items: High School Math – Target E

For Students 9th - 12th Standards
Pupils rewrite expressions in equivalent forms to identify key features. They use the vertex and factored forms of quadratic expressions to identify the extrema and intercepts. To finish the installment of the Claim 1 Item Slide Show...
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Worksheet
Curated OER

Quadratic Equations

For Students 9th - 12th
For this quadratic equations worksheet, students answer 15 questions about quadratic equations.  Students complete the square, use the quadratic formula, write equations in vertex form, and solve quadratic equations by factoring.
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Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 12th Standards
Learners factor trinomials using patterns and their TI to graph their results and make predictions through this lesson. This is accomplished by solving quadratic equations through FOIL and algebra tiles.
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Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 12th Standards
High schoolers factor trinomials. In this algebra lesson, students identify the different integers making up the trinomial and use the special pattern to factor them. They continue to model the equations and how to factor correctly.
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Activity
Illustrative Mathematics

Zeroes and Factorization of a General Polynomial

For Teachers 10th - 12th Standards
These four problems will guide your class through the idea behind the Fundamental Theorem of Algebra, which states that a polynomial of degree n has exactly n roots. Use the division algorithm and the definition of a zero/root of a...
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Activity
Illustrative Mathematics

Zeroes and factorization of a non polynomial function

For Teachers 10th - 12th Standards
Functions behaving badly: the squaring function and the absolute value function are both zero at x=0. Yet when you divide each by x, different things happen. Here, your class will explore each scenario as a means to adding depth to their...
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Lesson Plan
Curated OER

Elementary Algebra Study Guide

For Teachers 8th - 11th
Middle and high schoolers solve problems involving linear equations, inequalities, quadratics, radicals, systems of equations, exponents, and polynomials. Many of the problems encompass a review of Algebra I. This 10-page worksheet...
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Lesson Plan
1
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Curated OER

Area "FOILed" Again!

For Teachers 9th - 12th Standards
Learners perform factoring on the TI. In this algebra lesson, students factor equations using the FOIL method. They use the TI navigator to show each step using a visual.
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Lesson Plan
Curated OER

Quadratic Rules and Graphs

For Teachers 9th - 11th
Learners identify the properties of quadratic equations. In this algebra lesson, students find the vertex and intercepts of a parabola. They factor quadratics and identify the zeros of the equations.
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Lesson Plan
Curated OER

Quadratic Equations and Binomial Square Theorem

For Teachers 9th - 11th
Learners factor quadratic equations. In this algebra lesson, students apply the binomial square theorem to solve quadratics. They complete the square and use the complex number system to solve for the roots.
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Lesson Plan
Curated OER

Representing Quadratics

For Teachers 8th - 11th
Students represent quadratic equations using different methods. In this algebra lesson plan, students solve quadratics using substitution, elimination and graphing. They relate quadratics to the real world.
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Lesson Plan
Curated OER

Exploring Solving Equations

For Teachers 8th - 11th Standards
Put out by Texas Instruments, this instructional activity involves learners in an activity focused on adding polynomials, solving equations, factoring trinomials, and expanding binomials. A TI-89 calculator is needed to complete this...
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Lesson Plan
West Contra Costa Unified School District

Investigating the Discriminant

For Teachers 9th - 12th Standards
When is finding the discriminant enough? Using the quadratic formula helps find solutions to quadratic equations, but there are times when just using the discriminant is appropriate. Use this algebra II lesson plan to help classes see...