document.write( "Question 827535: A base ball is hit from a tee, and its height in feet above the ground is modeled by the function h(t)=-16t^2+120t+3, where t represents the time is seconds after the ball is hit. How long is the ball in the air and what is its maximum height? \n" ); document.write( "
Algebra.Com's Answer #498741 by TimothyLamb(4379)\"\" \"About 
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\n" ); document.write( "h(t) = -16t^2 + 120t + 3
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\n" ); document.write( "the above quadratic equation is in standard form, with a=-16, b=120, and c=3
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\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "-16 120 3
\n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php
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\n" ); document.write( "the quadratic has two real roots at:
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\n" ); document.write( "t = -0.0249172176
\n" ); document.write( "t = 7.52491722
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\n" ); document.write( "negative time doesn't fit the problem statement, so use the positive root:
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\n" ); document.write( "answer1:
\n" ); document.write( "the ball is in flight 7.525 seconds
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\n" ); document.write( "the quadratic vertex is a maximum at: ( t= 3.75, h= 228 )
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\n" ); document.write( "answer2:
\n" ); document.write( "the ball reaches a maximum height of 228 ft
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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