1. HW: 12­6 Wksht #4, 7, 10, 14­16, 19
Quiz tomorrow
(Multiply, Divide, Add, Subtract)

2. May 13, 2009
Solve the following:
x + 6 = x

3. a3 ­ a2 a 2
a2 (a ­ 1) a2
3 x x
a a ­ 1 a3 (a ­ 1)
x2 ­ 1 . 3
x + 1 (x ­ 1)(x + 1) 3
3x ­ 3
.
x
x + 1
3 3(x ­ 1)
x (x + 1)

4. 2 2
6x + 13x + 6 . 6x4x2 ­ 1
+ x ­ 2
2
4x ­ 9
. 6x4x2 ­ 1
x 2
+ x ­ 2
Difference of Squares
Box Method
(3x + 2)(2x + 3) (2x ­ 1)(2x + 1)
x
(2x ­ 3)(2x + 3) (3x + 2)(2x ­ 1)

5. Add/Subtract Fractions

6. Solving Rational Equations
6 x ­ 2 6 x ­ 2
= =
5 15 5 15

7. Solving Rational Equations
Ratio = Ratio
6 x ­ 2
= Cross Multiply
5 15
5(x ­ 2) = 6 . 15
5x ­ 10 = 90
5x = 100
x = 20

8. On Your Own
1. 2 6 2. 7 8
= =
3 x + 1 4x x ­ 3
3. 11 3x + 1 4. x x +3
= =
4 20 5 x + 7

9. HW: 12­6 Wksht #4, 7, 10, 14­16, 19
Quiz tomorrow
(Multiply, Divide, Add, Subtract)