document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=948324>Question 948324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need to know info:<BR>\n" );
document.write( "Use the following equation to answer the question: f(x)=&#8722;0.08x^2+1.6x+3 and assume that an arrow is being shot and the arch represents the flight path. But, the height the arrow leaves the archer's bow is 3 yards above ground level and was aimed towards a target that is also 3 yards tall<BR>\n" );
document.write( "Question: <BR>\n" );
document.write( "1.) How long did it take the arrow to leave the bow and hit the target? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578816 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=578816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the following equation to answer the question:<BR>\n" );
document.write( " f(x)=&#8722;0.08x^2+1.6x+3 and assume that an arrow is being shot and the arch represents the flight path.<BR>\n" );
document.write( " But, the height the arrow leaves the archer's bow is 3 yards above ground level and was aimed towards a target that is also 3 yards tall<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Since it departs and arrives at the same height, we can ignore the 3, makes it easy to solve<BR>\n" );
document.write( ".08x^2 + 1.6x = 0<BR>\n" );
document.write( "Factor out -x<BR>\n" );
document.write( "-x(.08x - 1.6) = 0<BR>\n" );
document.write( ".08x = 1.6<BR>\n" );
document.write( "x = 1.6/.08<BR>\n" );
document.write( "x = 20 seconds to hit the target </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );