document.write( "Question 1036457: y is directly proportional to x^2 and y=a for a particular value of x. Find an expression for y in terms of a, when this value of x is doubled. \n" ); document.write( "
Algebra.Com's Answer #651129 by Aldorozos(172)\"\" \"About 
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Please see below for explanation:
\n" ); document.write( " http://openstudy.com/updates/4f114d91e4b0a4c24f57ced2
\n" ); document.write( " x=sqrt of a/k
\n" ); document.write( " k(2sqrtof a/k)^2 = 4a
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