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This site is NOT about making mathematics easy because it isn't. It is about making it make sense because it does.

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Tag: completing the square

Algebra

How to derive the quadratic formula

- - 4 Comments on How to derive the quadratic formula

As I wrote in my  earlier post about solving quadratic equations, introducing the quadratic formula in solving for the roots of a quadratic equation is not advisable because it does not

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Algebra

Solving quadratic equations by completing the square

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I’m not a fan of  teaching the quadratic formula for solving the roots of quadratic equations because the sight of the outrageous formula itself is enough to make students wish

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