document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=680237>Question 680237</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A golf ball is hit so that when it is directly above a point that is x feet from the golfer, it is <BR>\n" );
document.write( "h(x)= 30x-1/10x^2 feet above the ground<BR>\n" );
document.write( "How far from the golfer will the ball hit the <BR>\n" );
document.write( "ground?<BR>\n" );
document.write( "(A)  100 feet       (B)  150 feet       (C)  200 feet       (D)  250 feet       (E)  300 feet     </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422267 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=422267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A golf ball is hit so that when it is directly above a point that is x feet from the golfer, it is <BR>\n" );
document.write( "h(x)= 30x-1/10x^2 feet above the ground<BR>\n" );
document.write( "How far from the golfer will the ball hit the <BR>\n" );
document.write( "ground?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "when the ball hits the ground, h(x)=0<BR>\n" );
document.write( "30x-1/10x^2=0<BR>\n" );
document.write( "-0.1x^2+30x=0<BR>\n" );
document.write( "-x^2+300x=0<BR>\n" );
document.write( "-x(x-300)=0<BR>\n" );
document.write( "-x=0 (reject)<BR>\n" );
document.write( "x-300=0<BR>\n" );
document.write( "x=300<BR>\n" );
document.write( "How far from the golfer will the ball hit the <BR>\n" );
document.write( "ground? 300 ft,  ans (E) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );