Derivation of the Quadratic Formula Poster

Derivation of the Quadratic Formula Poster
Derivation of the Quadratic Formula Poster
Derivation of the Quadratic Formula Poster
Derivation of the Quadratic Formula Poster
Created ByRaydius Squared
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This PDF file can be used either as a handout or can be printed out poster size. It contains a detailed and easy to read derivation of the Quadratic formula. Anybody who’s ever taught the Quadratic formula probably has students that ask about the formula and why we know it. It’s not always easy to cover the derivation in the classroom when so many other standards are being hit. This resource can be given directly to students or be posted up somewhere in the room to pique their curiosities.

to see state-specific standards (only available in the US).
Solve quadratic equations by inspection (e.g., for 𝘹² = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as 𝘢 ± 𝘣𝘪 for real numbers 𝘢 and 𝘣.
Use the method of completing the square to transform any quadratic equation in 𝘹 into an equation of the form (𝘹 – 𝘱)² = 𝘲 that has the same solutions. Derive the quadratic formula from this form.
Solve quadratic equations in one variable.
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