document.write( "Question 1125614: Among all pairs of numbers (x,y) such that 4x+y=18, find the pair for which the sum of squares, x2+y2, is minimum. Write your answers as fractions reduced to lowest terms. \n" ); document.write( "

Algebra.Com's Answer #741911 by ikleyn(52806) $\"\"$ $\"About$

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document.write( "They want you find the minimum of this quadratic function\r\n" );
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document.write( "    f(x) =  +  =  = .\r\n" );
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document.write( "For the general form of a quadratic function  y = ax^2 + bx + c  the minimum is achieved at  x = .\r\n" );
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document.write( "In your case the minimum is at  x=  = .\r\n" );
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document.write( "The pair under the question is  x = ,  y =  = .\r\n" );
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