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Math IV – Unit Three Rational Functions. Solving Rational Equations by Cross Multiplication. Checking for extraneous solutions. Check to see if solution produces a zero in the denominators. Rational Equations. by cross multiplication (Only where in this form). a. b. =. c. d.
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Math IV – Unit ThreeRational Functions Solving Rational Equations by Cross Multiplication
Checking for extraneous solutions Check to see if solution produces a zero in the denominators
Rational Equations by cross multiplication (Only where in this form) a b = c d
Solving Rational EquationsCross-Multiplication 3(x + 4) = 5(x + 3) 3x + 12 = 5x + 15 3x – 5x = -12 + 15 -2x = 3 x = -3/2