Finding Quadratic Formulas Lesson Plans & Worksheets

Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Quadratic Formula

For Students 9th - 10th Standards

Find a quick, concise explanation of the quadratic formula. Examples are given and clearly explained.

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Cool Math

Coolmath: Complex Numbers in the Quadratic Formula

For Students 6th - 9th Standards

Use this algebra lesson to find out how to use the quadratic formula when you get complex solutions.

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Math Medics

S.o.s. Math: Quadratic Equations Quadratic Formula

For Students 9th - 10th Standards

Here you can find a general overview of the quadratic formula, complete with a full breakdown of how to come up with the quadratic formula with a quadratic equation, as well as am example of using the quadratic formula to solve a...

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CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 9th - 10th Standards

[Free Registration/Login may be required to access all resource tools.] Use the quadratic formula to solve equations and find the vertex of parabolas.

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Wolfram Research

Wolfram Math World: Quadratic Formula

For Students 9th - 10th Standards

This MathWorld site provides the quadratic formula, giving the roots of a quadratic equation, as well as an alternative form of the equation.

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ClassFlow

Class Flow: Quadratic Formula

For Teachers 9th - 10th Standards

[Free Registration/Login Required] This flipchart teaches the Quadratic Formula and discriminant. It also uses models for when an object is thrown or dropped and has a velocity to find the distance the object traveled.

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CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 9th - 10th

[Free Registration/Login may be required to access all resource tools.] Determine the number of solutions to a quadratic equation and find such solutions by graphing.

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Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Equations by Finding Square Roots

For Students 9th - 10th Standards

Thirteen problems present a variety of practice solving quadratic equations by finding square roots. 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...

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Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Solving Quadratic Equations With Square Roots

For Students 9th - 10th Standards

Find a quick, concise explanation for how to solve quadratic equations using square roots. An example is given and clearly explained.

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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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National Council of Teachers of Mathematics

The Math Forum: Quadratic Formulas, Equations, Parabolas

For Students 9th - 10th Standards

Dr. Math here at the Math Forum, in a reply to a student question, helps find the vertex and coordinates of the parabola. The information is somewhat brief, but factual, and worth checking out.

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CK-12 Foundation

Ck 12: Algebra: Solutions Using the Discriminant

For Students 9th - 10th

[Free Registration/Login may be required to access all resource tools.] Given a quadratic equation, find its discriminant and use the result to determine the nature of the solutions.

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