Evaluate the following expression, or state that the root is not a real number.
- square root 4
Select the correct choice below and, if necessary, fill in the answer box to complete your answer.
A. The root is a real number and - 4 = blank
B. The root is not a real number.
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To evaluate the expression \(-\sqrt{4}\) step-by-step:
Calculate the square root of 4: \(\sqrt{4} = 2\)
Apply the negative sign: \(-\sqrt{4} = -2\)
Since \(-2\) is a real number, we conclude that:
A. The root is a real number and \(-\sqrt{4} = -2\)
So, the answer to fill in the blank is \(-2\).
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