1. HW: Worksheet 12­3 #3­36 (1/3)
Quiz tomorrow on:
Solving Radical Equations
Simplifying Rational Expressions

2. May 6, 2009
Simplify the expression ­ answer should
not have negative exponents:
2 ­3 3
(4x y )(3x y)

4. Multiplying Fractions
2 . 6 =
3 15
2 . 6
3 15
2 . 6
3 15

5. Multiplying Fractions
x2y3 . 5x3
6x . 5x+20
3 = 2
=
xx+4
2
x y2­x y
15
6x . 5x3
2 =
x 15
2
x+5 . x +4x­12
=
x­2 3x+18

6. On your own:
Worksheet 12­3 #1, 7, 16

7. Dividing Fractions
2 . 6
. =
3 15

8. Dividing Fractions
2 3
xy . 4x2y
5x5
. 10xy4
=
x+5 . 2
x ­25
x­2 . 5x­10
=

9. HW: Worksheet 12­3 #3­36 (1/3)
Quiz tomorrow on:
Solving Radical Equations
Simplifying Rational Expressions