Friday

April 18, 2014

April 18, 2014

Posted by **ed** on Monday, March 1, 2010 at 11:20pm.

- systems word problems -
**drwls**, Monday, March 1, 2010 at 11:39pmSolve this pair of equations. Let the two numbers by x and y

x + y = 11

xy = 30

x*(11-x) = 30

x^2 -11x + 30 = 0

That equation is easily factored.

You do the rest. We will critque your work if you wish.

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