Homework Help: Polynomials and quadratic application

Posted by Kendra on Saturday, April 28, 2012 at 1:05pm.

Suppose I want a garden with 400 square feet. Write an equation that can be used to find the values for x that will result in that area.

Polynomials and quadratic application - Henry, Sunday, April 29, 2012 at 9:29pm
x^2 = 400 Ft^2.
X = 20 Ft.
Garden size: 20 x 20 Ft.

Any 2 numbers whose product equals 400 Ft^2 will give the required area.

25x = 400 Ft^2.
X = 400Ft^2 / 25Ft = 16 Ft.
Garden size: 25 x 16 Ft.
Polynomials and quadratic application - kendra, Monday, April 30, 2012 at 12:23am
thank you so much, such a life saver

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