Homework Help: college algebra

Posted by kacie on Wednesday, November 26, 2008 at 9:01pm.

Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide the class with a third expression to simplify that includes rational (fractional) exponents

college algebra - drwls, Thursday, November 27, 2008 at 1:41am
x^a * x^b = x^(a+b)

(x^a)^b = x^ab

x^(a/b) = the bth root of x^a, so

[x^(a/b)]^b = x^a

The laws work with all rational exponents
- college algebra - kacie, Sunday, November 30, 2008 at 5:42pm
  thank you
college algebra - Terri, Monday, September 21, 2009 at 5:05pm
7x-5=72
college algebra - Terri, Monday, September 21, 2009 at 5:05pm
7x-5=72

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