Homework Help: systems word problems

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

the sum of two numbers is 11. their product is 30. find the numbers. answer 5,6 represent the unknown by variables using let statements, translate into equationsusing variables. combine hem using substitution or elimination. answer the question by solvingand substituting state your final answer in compltete sentences

systems word problems - drwls, Monday, March 1, 2010 at 11:39pm
Solve 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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