document.write( "Question 684926: Please help me find an equation of variation where y varies directly as the square of x and where y=.80 when x=.1 \n" ); document.write( "

Algebra.Com's Answer #424269 by ReadingBoosters(3246) $\"\"$ $\"About$

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$\"y+=+kx%5E2\"$
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\n" ); document.write( " $\".80+=+k%28.1%29%5E2\"$
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\n" ); document.write( ".8 = k(.01) ==> divide both sides by .01
\n" ); document.write( "k = 80
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\n" ); document.write( " $\"highlight_green%28y=80x%5E2%29\"$
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