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azamat
2 years ago
15

Can someone help with this math problem pleaseeee

Mathematics
1 answer:
erastovalidia [21]2 years ago
3 0
<h3>Answer: Choice A</h3>

Explanation:

The square root undoes the squaring operation.

Think of a square that is 1 ft by 1 ft. Its area would be 1*1 = 1 sq ft.

Now imagine you told your friend "the area is 1 sq ft" and you didn't relay the side lengths. Your friend would use the square root to find the side length is 1 ft.

I'm not sure why your teacher is using plus minus notation when that is not correct. Saying \sqrt{1} = \pm 1 is not true. The result of a square root is simply one value only. If your teacher meant \pm \sqrt{1} = \pm 1, then it would be a true statement; however, there's no need to involve negative numbers for this problem.

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