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Divide Quadratics by Linear Expressions with Remainders
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This video introduces the idea of dividing a quadratic expression by a linear expression. The quotient for these example problems will result in a linear expression without a remainder. • The general strategy is to use the technique of polynomial long division. The division algorithm can be used whether a remainder exists or not, but is needed when the expression is expected to have a remainder. • Polynomial long division is similar to regular long division with a couple slight modifications. For instance, if the quadratic or polynomial expression that is being divided into does not have all of the terms in standard form, a placeholder term must be written in the dividend. The expression x^2 - 9 does not have a linear term and must be rewritten as x^2 + 0x - 9. • Khan Academy exercise to practice: • 1. Divide Quadratics by Linear Expressions (With Remainders): https://www.khanacademy.org/math/alge... • EulersAcademy.org
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