Rational Expressions

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Define Rational Expression.

Back

A rational expression is a fraction where the numerator and the denominator are both polynomials.

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What is the first step in dividing rational expressions?

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The first step is to multiply by the reciprocal of the divisor.

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What does it mean to check for extraneous solutions?

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It means to verify if the solutions obtained from an equation are valid by substituting them back into the original equation.

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Front

Define the term 'extraneous solution'.

Back

An extraneous solution is a solution that emerges from the process of solving an equation but does not satisfy the original equation.