document.write( "Question 1205580: find the vertex using completing the square on the equation
\n" ); document.write( "y=-4.9t^2+51t+1.3\r
\n" ); document.write( "\n" ); document.write( "you are trying to find the maximum height
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Algebra.Com's Answer #842482 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=-4.9t%5E2%2B51t%2B1.3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4.9%28t%5E2-%2851%2F4.9%29t%29%2B1.3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4.9%28t%5E2-10.408t%2Bb%5E2%29-%28-4.9b%5E2%29%2B1.3\"$ ............... $\"b=10.408%2F2=5.204\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4.9%28t%5E2-10.408t%2B5.204%5E2%29%2B4.9%2A5.204%5E2%2B1.3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4.9%28t-5.204%29%5E2%2B132.6999184%2B1.3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-4.9%28t-5.204%29%5E2%2B133.9999184\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"h=5.204\"$
\n" ); document.write( " $\"k=133.9999184\"$
\n" ); document.write( " $\"k=134\"$ (approximately)\r
\n" ); document.write( "\n" ); document.write( "vertex is at: ( $\"5.204\"$ , $\"+134\"$ )\r
\n" ); document.write( "\n" ); document.write( "the maximum height: $\"134\"$ \r
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