ShmoopTube

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And here's another shmoop du jour.

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Evaluate the expression 2ab - 3 times the square root of bc... for a = 9, b = 4, and c = 1.

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Here are the potential answers...

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Hit the pause button and try this thing first yourself.

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So, this is just testing whether we can... plug. So... let's.

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If we take the base case equation here...

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...and plug in the numbers as noted here...

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...we get 2 times 9 times 4 minus 3 times the square root of 4 times 1.

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Now let's simplify this mess.

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2 times 9 is 18... times 4 is 72... minus 3 times the square root of 4... which is 2...

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or 3 times 2, which is 6

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So we have 72 minus 6 which is... the devil's number.

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Or...D. As in devil.

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It's okay. We'll get a priest in here to get this problem exorcised.

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