9.4: Rational Expressions

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Presentation transcript:

9.4: Rational Expressions

Simplifying Rational Expressions Simplest Form: when numerator and denominator have no common factors In simplest form: Not in simplest form:

Simplifying Ex 1) Simplify. State any restrictions on the variables.

Application Ex 2) Write a ratio comparing the volume and surface area of a cylinder with height of 4r.

Multiplication and Division Ex 3) Multiply. Restrictions? Ex 4) Divide. Restrictions?

9.4: Rational Expressions 9.4: Rational Expressions HW: 9.4 #1-19 odd, 26, 31, 32, 36 HW 9.4: 1, 2, 5, 6, 8, 9, 11, 12, 13, 14, 16, 18 26, 36 9.4 Rational Expressions 9.4: Rational Expressions 9.4: Rational Expressions