document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1047615>Question 1047615</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pre-image:  A(&#8722;4, 2) ,  B(4, 4) , and  C(&#8722;1, 2)\r<BR>\n" );
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document.write( "Image:  A&#8242;(&#8722;2, 1) ,  B&#8242;(2, 2) , and  C&#8242;(&#8722;12, 1)\r<BR>\n" );
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document.write( "Is the dilation an expansion or contraction? What is 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 #663244 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=663244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i think you meant:\r<BR>\n" );
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document.write( "pre-image:<BR>\n" );
document.write( "a = -4,2<BR>\n" );
document.write( "b = 4,4<BR>\n" );
document.write( "c = -1,2\r<BR>\n" );
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document.write( "post-image<BR>\n" );
document.write( "a' = -2,1<BR>\n" );
document.write( "b' = 2,2<BR>\n" );
document.write( "c' = -1/2, 1\r<BR>\n" );
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document.write( "this would be a contraction.\r<BR>\n" );
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document.write( "the scale factor would be 1/2.\r<BR>\n" );
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document.write( "a' = 1/2 * a<BR>\n" );
document.write( "b' = 1/2 * b<BR>\n" );
document.write( "c' = 1/2 * c\r<BR>\n" );
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document.write( "the post image is 1/2 times the dimensions of the pre-image.\r<BR>\n" );
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document.write( "the center of the dilation is assumes to be the origin.\r<BR>\n" );
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document.write( "here's a reference.\r<BR>\n" );
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document.write( "<a  rel=nofollow HREF= \"http://www.regentsprep.org/regents/math/geometry/gt3/ldilate2.htm\" target = \"_blank\">http://www.regentsprep.org/regents/math/geometry/gt3/ldilate2.htm</a> </SPAN>\n" );
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