document.write( "Question 48816This question is from textbook Algebra
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document.write( ": If y varies inversely as x^2, and y = 2 when x = 4, what is the constant of variation?
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Algebra.Com's Answer #32328 by alka001(14)![]() ![]() ![]() You can put this solution on YOUR website! ans: y varies inversely as x^2 \n" ); document.write( " y=k/x^2 ,k is constant of variation (as y increases x^2 decreases) \n" ); document.write( " y*x^2=k \n" ); document.write( " Now y=2 and x=4 substituting we get \n" ); document.write( " 2*4^2=k \n" ); document.write( " 2*16=k \n" ); document.write( " 32=k ans. \n" ); document.write( " |