The length of a rectangular field X is 2 kilometers greater than the side of a square field Y and the width of the field X is 2 kilometers less than the side of field Y. If y2 is the area of y in square kilometers, which of the following gives the area, in square kilometers, of field X?

The length of a rectangular field X is 2 kilometers greater than the side of a square field Y and the width of the field X is 2 kilometers less than the side of field Y. If y² is the area of y in square kilometers, which of the following gives the area, in square kilometers, of field X?

A Y2 – 4

B Y2 – 2

C Y2

D Y2 + 2

Solution

Correct Answer: Option A

length of rectangular = y+2

width of rectangular =y-2

area = (y+2) (y-2) =Y2 – 4

Solution

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