Monthly Archives: February 2017

Derooting with Radicals

My students were working in pairs on this problem, One group, looking for perfect square factors, had gotten this far, One person asked the other, “Now what?”  The other replied, “Just deroot the x to the eight and the y to the … Continue reading

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PEMDAS Strikes Again

Our pre-calculus class was going over how to combine sums and differences of logarithm expressions into a single logarithm when Steven Orton (He gave  permission to use his name.) asked, “What about PEMDAS?”  PEMDAS is an acronym used for remembering … Continue reading

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