Class 10 Mathematics | Solving Quadratic Equations by Using the Formula

Mathematics · Class 10 · Unit 7

Solving Quadratic Equations by Formula

One formula · Every quadratic equation

By the end of this lesson you can

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Derive the formula by completing the square

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Read off a, b and c with their signs

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Solve by formula and check the roots

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Use the formula in word problems

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Presenter notes: Today we do completing the square once, on letters, and turn it into a formula. After that, any quadratic equation can be solved by putting its numbers into that formula.

Solving Quadratic Equations by Using the Formula Presentation

By the end of this lesson you can

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