Wednesday, July 10, 2013

SAT-Solving simple surd equation

SAT-Solving simple surd equation 

How to solve the following surd equation

 ??

Answer
http://www.satmath4u.com/threads/35-SAT-math-Solving-simple-surd-equation

In order to solve the following surd equation

 

you have first write the equation with only the square root on the left hand side 



and then square both sides of the equation





another SAT quick way is to check the given possible answers by substituting them back into the original equation!!

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