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Why is the square root of (-5)^2 25 but the square root of -5^2 is -25?
Damiano Stoffie
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Oct 23, 2022
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Why is the square root of (-5)^2 25 but the square root of -5^2 is -25?
Mathematics
college
Damiano Stoffie
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Oct 23, 2022
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Damiano Stoffie
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Explanation:
So, we call 5 the “square root” of 25 and write √25=5 because 52=25 . ... Since (−5)2 also equals 25 it is also a “square root” of 25 , but we write −√25=−5 because it is not the principal square root. Not all whole numbers have a whole number square root. For instance √2=1.414213562…
Bob Albright
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Oct 27, 2022
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Bob Albright
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