document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259228>Question 259228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the matrix [ 0   1 ]<BR>\n" );
document.write( "               [-1   0 ]<BR>\n" );
document.write( "to rotate polygon ABCD with coordinates A(0,0) B(4,1) C(5,-1) and D(-2,-3) about the origin. graph and describe the answer. do you think you could help? please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190847 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=190847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have a 2x2 matrix of the form<BR>\n" );
document.write( "0....1<BR>\n" );
document.write( "-1..0.<BR>\n" );
document.write( "Take this matrix and multiply it by each of your coordinates<BR>\n" );
document.write( "Originally, we had the following coordinates:<BR>\n" );
document.write( "A(0,0) B(4,1) C(5,-1) and D(-2,-3)<BR>\n" );
document.write( "multiplying the 2x2 matrix with A, we get A' = [0...... 0]<BR>\n" );
document.write( "multiplying the 2x2 matrix with B, we get B' = [1......-4]<BR>\n" );
document.write( "multiplying the 2x2 matrix with C, we get C' = [-1....-5]<BR>\n" );
document.write( "multiplying the 2x2 matrix with D, we get D' = [-3....2]<BR>\n" );
document.write( "--<BR>\n" );
document.write( "graph the original set and the new prime set. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );