document.write( "Question 1085676: Find an equation of variation where y varies directly as the square of​ x, and where y=0.86 when x=0.1 \n" ); document.write( "
Algebra.Com's Answer #699746 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "if \"y\" varies \"directly\" as the square of \"x\",we have \r
\n" ); document.write( "\n" ); document.write( "\"y=k%2Ax%5E2\"\r
\n" ); document.write( "\n" ); document.write( "and if \"y=0.86\" when \"x=0.1\", we have:\r
\n" ); document.write( "\n" ); document.write( "\"0.86=k%2A%280.1%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"0.86=k%2A0.01\"\r
\n" ); document.write( "\n" ); document.write( "\"0.86%2F0.01=k\"\r
\n" ); document.write( "\n" ); document.write( "\"86%2F1=k\"\r
\n" ); document.write( "\n" ); document.write( "\"k=86\"\r
\n" ); document.write( "\n" ); document.write( "and your equation is: \"y=86x%5E2\"\r
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