document.write( "Question 1143279: With the given equation: h = 1671 + 6t - 16t^2. When is the object 1661 feet above the ground? \n" ); document.write( "
Algebra.Com's Answer #764066 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
Solve the quadratic equation for h=1661.\r
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\n" ); document.write( "\n" ); document.write( "\"-16t%5E2%2B6t%2B10=0\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"8t%5E2-3t-5=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"t=%283%2B-+sqrt%289%2B4%2A8%2A5%29%29%2F16\"
\n" ); document.write( "\"t=%283%2B-+sqrt%28169%29%29%2F16\"
\n" ); document.write( "\"t=%283%2B-+13%29%2F16\"
\n" ); document.write( "\"t=16%2F16\"
\n" ); document.write( "\"highlight%28t=1%29\"\r
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\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "\"1661=1671%2B6%2A1-16%2A1%2A1\"
\n" ); document.write( "\"1661=1671%2B6-16=1671-10=1661\"\"checks\".
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