Asked by jessica

The side length of the following square can be expressed by the equation ℓ=A−−√, where A represents the area of the square.
What is the side length of the square if the area is 4x+12 in.2?

6 inches

−6 inches

2 inches

−2 inches
Answered by oobleck
well, the side length must be positive, so that eliminates B and D
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