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September 20, 2014

September 20, 2014

Posted by **Kristi** on Sunday, September 2, 2012 at 6:46pm.

a) Write a quadratic equation for the area of the floor in terms of w.

(b) Find the length l and width w of the floor.

- Algebra -
**Damon**, Sunday, September 2, 2012 at 6:57pmw (w+14) = 1472

w^2 + 14 w - 1472 = 0

w = [-14 +/- sqrt(196+5888) ]/2

w = [-14 +/- 78]/2

want positive w so

w = 32

then l = 32+14 = 46

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