document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=938041>Question 938041</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using quadratic equations\r<BR>\n" );
document.write( "\n" );
document.write( "1) the ratio of the length and breadth of a rectangular photo is 3:2. Given that the area of the rectangle is 864cm^2, find its length.\r<BR>\n" );
document.write( "\n" );
document.write( "2) fencing of length 40m is used to enclose a rectangular pen, where one of the sides is a straight wall. The area enclosed by the pen is 192m^2. Find the length of a side of the pen which is perpendicular to the wall.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571377 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=571377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> #2:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x and y, the dimensions of the rectangular area.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2By=40 ALIGN=MIDDLE  ALT=\"2x%2By=40\"   DISABLED_style= \"max-width:90%; height:auto;\" > for the fence length.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=xy=192 ALIGN=MIDDLE  ALT=\"xy=192\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and x is the length perpendicular to the wall.<BR>\n" );
document.write( "Two equations in two unknowns resulting in quadratic equation; simple problem and solution.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "#1:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Factor for both dimensions, x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283x%29%282x%29=864 ALIGN=MIDDLE  ALT=\"%283x%29%282x%29=864\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6x%5E2=864 ALIGN=MIDDLE  ALT=\"6x%5E2=864\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=144 ALIGN=MIDDLE  ALT=\"x%5E2=144\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=12 ALIGN=MIDDLE  ALT=\"x=12\"   DISABLED_style= \"max-width:90%; height:auto;\" >, allowing you to evaluate the dimensions. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );