document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=572955>Question 572955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The vertices of rectangle ABCD are A(2,3), B(5,3), C(5,9) and D(2,9).\r<BR>\n" );
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document.write( "Find the area of ABCD. What is the scale factor of the dilation that produces an image with an area that is twice that of the original?\r<BR>\n" );
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document.write( "I have found out that the rectangle of the original area is 18 square units by using the distance formula. I need help on the scale factor.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368630 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=368630\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you dilate a rectangle (or any shape) by a factor of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the area increases by a factor of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"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%5E2=2 ALIGN=MIDDLE  ALT=\"x%5E2=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=sqrt%282%29 ALIGN=MIDDLE  ALT=\"x=sqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The scale factor is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28sqrt%282%29%29 ALIGN=MIDDLE  ALT=\"highlight%28sqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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