1. 9.4: Rational Expressions

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

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

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

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

6. 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