document.write( "Question 1056246: For the following problem, y varies directly as the square of x.
\n" ); document.write( "If y = −72 when x = 3, find y when x is 5. \n" ); document.write( "

Algebra.Com's Answer #671504 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=kx%5E2\"$
\n" ); document.write( " $\"k=y%2Fx%5E2\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"%28-72%29%2F3%5E2=y%2F5%5E2\"$
\n" ); document.write( " $\"y=%28-72%29%285%2F3%29%5E2\"$
\n" ); document.write( " $\"y=%28-72%29%2825%2F9%29\"$
\n" ); document.write( " $\"y=-8%2825%29\"$
\n" ); document.write( " $\"y=-200\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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