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These types of more challenging exponent problems requiring strong manipulative skills will probably not go away on the New SAT!
And on the NON-CALCULATOR section!
You have to watch the video to see the solution!
Watch "5^(2x)=4; Non-calculator exponent SAT-Type Problem" on YouTube - 5^(2x)=4; Non-calculator SAT-Type Problem: http://youtu.be/yaxx31L75hM
Posted by
Dave Marain
at
2:38 PM
Link here to see MathNotations' ranking and other math sites/blogs as well.
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