document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743725>Question 743725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Story problem help.<BR>\n" );
document.write( "ellis hits a baseball the path of the ball is approximated by: y = - 1/500 (x-200)^2 +76<BR>\n" );
document.write( "I have solved some of the questions - baseball path vertex (200, 76)<BR>\n" );
document.write( "Find the height of the ball after it traveled 220 feet horizontally.<BR>\n" );
document.write( "-rewrite the equation above in standard form.\r<BR>\n" );
document.write( "\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453031 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=453031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ellis hits a baseball the path of the ball is approximated by: y = - 1/500 (x-200)^2 +76<BR>\n" );
document.write( "I have solved some of the questions - baseball path vertex (200, 76)<BR>\n" );
document.write( "Find the height of the ball after it traveled 220 feet horizontally.<BR>\n" );
document.write( "-rewrite the equation above in standard form.\r<BR>\n" );
document.write( "\n" );
document.write( "y = - 1/500 (x-200)^2 +76<BR>\n" );
document.write( "f(200)=-1/500(220-200)^2+76<BR>\n" );
document.write( "f(200)=-1/500(20)^2+76<BR>\n" );
document.write( "f(200)=-1/500(400)+76=-4/5+76=75.2<BR>\n" );
document.write( "height of the ball after it traveled 220 feet horizontally=75.2 ft<BR>\n" );
document.write( "...<BR>\n" );
document.write( "standard(general) form of equation:y=Ax^2+Bx+c<BR>\n" );
document.write( "y = - 1/500 (x-200)^2 +76<BR>\n" );
document.write( "500y=-(x^2-400x+40000)+38000<BR>\n" );
document.write( "500y=-x^2+400x-40000)+38000<BR>\n" );
document.write( "500y=-x^2+400x-2000<BR>\n" );
document.write( "y=-(1/500)x^2+0.8x-4<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y-intercept<BR>\n" );
document.write( "set x=0<BR>\n" );
document.write( "y=-4<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x-intercepts: <BR>\n" );
document.write( "x&#8776;5.0641 & 394.396<BR>\n" );
document.write( "..<BR>\n" );
document.write( "ball will hit the 15 ft fence about 8 ft from the bottom<BR>\n" );
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