1. + 9-6 Solving Rational Equations Objective: The student will be able to solve rational equations.

2. + Rational Equations… Contain one or more rational expressions Example: Can be solved by multiplying each side of the equation by the LCD (least common denominator). Remember: each TERM must be multiplied by the LCD.

3. + Example 1 Solve

4. + Example 2 Solve

5. + Example 3 Solve

6. + Application When building the Chunnel, the English and French each started drilling on opposite sides of the English Channel. The two sections became one in 1990. The French used more advanced drilling machinery than the English. Suppose the English could drill the Chunnel in 6.2 years and the French could drill it in 5.8 years. How long would it have taken the two countries to drill the tunnel?

7. + Homework Text p. 510 #s 11-18 all