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B12

Page history last edited by PBworks 16 years, 11 months ago

 

B12 apply real number exponents in expressions and equations

 

Originator: Ashlie M.

 

Explanition: A real number can be in the form of decimals, rational(like 42, or -26/27) and irrational numbers(like square roots or Formula). Basically, any form other than unreal, or imaginary numbers.

 

ex.

Formula  the square root of 4 is 2 to the second power

Formula 

Formula then you can set the exponents equal to each other now that their bases are the same and solve for x

Formula 

Formula

Formula 

 

Sample question: 

 

Formula 

 

Solution:

 

 

Comments (1)

Anonymous said

at 6:19 pm on May 15, 2007

Ashlie, this is a good start. Just need to finish off you sample question. You may want to add a bit more to your explaination. Something like, "the exponent in an expression or an equation can be any real number... for example 3^(1/2), 3^(1.5), 3^(sqrt(2)), etc."

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