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If a polynomial function f(x) has roots 3 and square root of 7 what must also be a root of f(x)? A negative square root of 7 B i square root of seven C –3 D 3i

Karen Wright

in Mathematics

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Donald Ward on June 20, 2018

When you have a root of the function sqrt #, you must have the game (or positive).This is because when you take a square root we get two solutions, one positive and one negative.The answer is the LETTER A


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