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# Alg May 6, 2009

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### Alg May 6, 2009

1. 1. HW: Worksheet 12­3 #3­36 (1/3) Quiz tomorrow on: Solving Radical Equations Simplifying Rational Expressions
2. 2. May 6, 2009 Simplify the expression ­ answer should not have negative exponents: 2  ­3 3 (4x y )(3x y)
3. 3. Multiplying Fractions 2 . 6 = 3 15 2 . 6 3 15 2 . 6 3 15
4. 4. 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
5. 5. On your own: Worksheet 12­3 #1, 7, 16
6. 6. Dividing Fractions 2 . 6 . = 3 15
7. 7. Dividing Fractions 2 3 xy . 4x2y 5x5 . 10xy4 = x+5 . 2 x ­25 x­2 . 5x­10 =
8. 8. HW: Worksheet 12­3 #3­36 (1/3) Quiz tomorrow on: Solving Radical Equations Simplifying Rational Expressions