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A square is 20 inches on each side.A square x inches on each side is cut from eachcorner of the square.Represent the area of the remaining portionof the square in the form of a polynomialfunction A(x).

A square is 20 inches on each side.A square x inches on each side is cut from eachcorner-example-1
User Chan
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1 Answer

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The total area is going to be:


A=20in*20in=400in^2

The area of each mini square is:


L*L=x*x=x^2

But, we have four mini squares, so:


Aminisquares=4*x^2

So, the area of the remaining portion of the square is:


A(x)=400-4x^2

This function, A(x) is the answer.

User Fakewaffle
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