Identify Number: Identify the number inside the square root. We are dealing with the square root of 64.
Recognize Value: Recognize that the square root of a number is a value that, when multiplied by itself, gives the original number.The square root of 64 is a number that multiplied by itself equals 64.
Calculate Square Root: Calculate the square root of 64. Since 8 multiplied by itself gives 64 (8×8=64), the square root of 64 is 8.
Apply Negative Sign: Apply the negative sign in front of the square root.The problem asks for –64, which means we take the negative of the square root of 64.Therefore, –64=−8.
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