1. Warm-up: Simplify (x3 – 27) ÷ (x – 3) 2. 3.
January 6, 2011 At the end of the day, you will be able to simplify expressions in exponential and radical form.
Warm-up: Simplify
(x3 – 27) ÷ (x – 3) 2. 3.
QUIZ 5.2 on 5.3, 5.5 Tuesday 1/10
HW 5.7: Worksheet

2. Check 5.5 Worksheet 9 10. 16k2 19. 4x2 -7 11. ±13r2 20. 121y4
12|p3| p a4b2
±2a |y|z |3x – 1|
3p |q17| (m – 5)2
-m2n |x|y2|z3| 24. |6x – 1| -b
4|a5|b not a real#
11|x3| |p5|

3. Lesson 5.7 Rational Exponents
Magnum P.I
Lesson 5.7 Rational Exponents
Exponent form to Radical form to Radical form Exponent form
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4. Evaluating rational exponents
There are several ways to evaluating rational exponents. First rewrite each in radical form. Example 1: a) b) c) d)
PreCalc Bound students, you need to know how to do it at least 2 ways…

5. Using Exponent Rules
Example 2: a) b) c)