Saturday
August 2, 2014

Homework Help: Algebra

Posted by michelle on Wednesday, July 28, 2010 at 3:55pm.

Swimming space. The length of a rectangular swimming pool is 2x-1meters, and the width is x+12 meters. Write a polynomial A (x) that represents the area. Find A (5)
Answer:
Area=(2x-1) (x+12)sq m
A=2x(x+12)-1(x+12)
=2x^2+24x-x-12
=2x^2+23x-12 sq m
X=5
A=(2(5)-1) (5+12)
=9*17
=153 sq m
I need to know if I have this correct and if not what I done wrong.

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