document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=965909>Question 965909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the braking distance between D in feet required to stop a car traveling x miles per hour on dry, level pavement can be approximated by D=1/16x^2\r<BR>\n" );
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document.write( "A. calculate the braking distance for 20 MPH\r<BR>\n" );
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document.write( "calculate the braking distance for 60 MPH.\r<BR>\n" );
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document.write( "(round to the nearest tenth)\r<BR>\n" );
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document.write( "B.if the braking distance is 25 feet, estimate the speed of the car\r<BR>\n" );
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document.write( "Estimated speed is approximately___ MPH\r<BR>\n" );
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document.write( "(round to the nearest whole number)\r<BR>\n" );
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document.write( "C. use a calculator to solve part (B) numerically.\r<BR>\n" );
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document.write( "estimated speed is approximately____MPH </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #590349 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=590349\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "For 20 mph:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F16%29x%5E2 ALIGN=MIDDLE  ALT=\"D=%281%2F16%29x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F16%2920%5E2%29=1%2F16%28400%29 ALIGN=MIDDLE  ALT=\"%281%2F16%2920%5E2%29=1%2F16%28400%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25ft ALIGN=MIDDLE  ALT=\"25ft\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "ANSWER 1: The braking distance at 20 mph is 25 feet.<BR>\n" );
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document.write( "For 60 mph:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F16%2960%5E2 ALIGN=MIDDLE  ALT=\"D=%281%2F16%2960%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F16%293600=225ft ALIGN=MIDDLE  ALT=\"%281%2F16%293600=225ft\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "ANSWER 2: The braking distance at 60 mph is 225 feet.<BR>\n" );
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document.write( "If the distance is 25 feet, speed is 20 mph. (See ANSWER 1)<BR>\n" );
document.write( "-OR-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%281%2F16%29x%5E2 ALIGN=MIDDLE  ALT=\"D=%281%2F16%29x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16D=x%5E2 ALIGN=MIDDLE  ALT=\"16D=x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=sqrt%2816D%29 ALIGN=MIDDLE  ALT=\"x=sqrt%2816D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%28sqrt%28D%29%29 ALIGN=MIDDLE  ALT=\"4%28sqrt%28D%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in value for D and solve.<BR>\n" );
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