CH 5.6 Solve Rational Equations.notebook

CH 5.6 Solve Rational Equations.notebook

Solve Rational Equations 5.6 Solve Rational Equations

January 29, 2013

Solve Rational Equations What technique would you  use to solve this problem?

• Cross multiplication • Extraneous solutions

CROSS MULTIPLICATION

Jan 28­3:49 PM

Solve Rational Equations

Jan 28­3:49 PM

Solve Rational Equations

Jan 28­3:49 PM

Jan 28­3:49 PM

Solve Rational Equations

Solve Rational Equations Solve:

x=­2

Jan 28­3:49 PM

Jan 28­3:49 PM

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CH 5.6 Solve Rational Equations.notebook

Solve Rational Equations

January 29, 2013

Solve Rational Equations x = ­1

Jan 28­3:49 PM

Solve Rational Equations Solve:

Jan 28­3:49 PM

Solve Rational Equations

Jan 28­3:49 PM

Jan 28­3:49 PM

Solve Rational Equations

Solve Rational Equations x = 7 x = 0

Jan 28­3:49 PM

Jan 28­3:49 PM

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CH 5.6 Solve Rational Equations.notebook

Solve Rational Equations Solve:

Jan 28­3:49 PM

Solve Rational Equations

January 29, 2013

Solve Rational Equations

Jan 28­3:49 PM

Solve Rational Equations

Now check your answer. Can x = ­4 be substituted into both  of the original rational functions?

Jan 28­3:49 PM

Jan 28­3:49 PM

Solve Rational Equations

Solve Rational Equations The solution x = ­4 is called an extraneous  solution, because it is an vertical asymptote  of both functions.

Jan 28­3:49 PM

Jan 28­3:49 PM

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CH 5.6 Solve Rational Equations.notebook

Solve Rational Equations

January 29, 2013

Solve Rational Equations 5.6 Solve Rational Equations • Cross multiplication • Extraneous solutions

Jan 28­3:49 PM

Jan 28­3:49 PM

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