document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177719>Question 177719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8. (traingle)ABC has coordinates (1, 1), (3, 4), and (0, -5). Write the vertices in<BR>\n" );
document.write( "matrix form. <BR>\n" );
document.write( "a. Find the coordinates of the image of the triangle after a dilation of<BR>\n" );
document.write( "size . <BR>\n" );
document.write( "b. Find the coordinates of the image of the triangle after a translation<BR>\n" );
document.write( "right 3 units and up 2 units. <BR>\n" );
document.write( "c. Find the coordinates of the image of the triangle after a rotation<BR>\n" );
document.write( "of 1808. <BR>\n" );
document.write( "d. Find the coordinates of the image of the triangle after a reflection in<BR>\n" );
document.write( "the line y = x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132727 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=132727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1, 1), (3, 4), and (0, -5). <BR>\n" );
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document.write( "a) Find the coordinates of the image of the triangle after a dilation of<BR>\n" );
document.write( "size .<BR>\n" );
document.write( ":lets dilate by 1/2 ....so the new coordinates would be <BR>\n" );
document.write( ":(1/2,1/2),(3/2,2),(0,-5/2).......you taking 1/2 the value of x and y coordinates.<BR>\n" );
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document.write( "b) Find the coordinates of the image of the triangle after a translation<BR>\n" );
document.write( "right 3 units and up 2 units.<BR>\n" );
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document.write( "new coordinates (1+3,1+2),(3+3,4+2,),(0+3,-5+2)<BR>\n" );
document.write( ":.....................(4,3),(6,6),(3,-3)<BR>\n" );
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document.write( " c. Find the coordinates of the image of the triangle after a rotation<BR>\n" );
document.write( "of 1808. <BR>\n" );
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document.write( "I assume this is 180 degree rotation which would be<BR>\n" );
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document.write( "(-1,-1),(-3,-4),(0,5)....you are just taking the negative values of the x and y coodinates.<BR>\n" );
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document.write( "d. Find the coordinates of the image of the triangle after a reflection in<BR>\n" );
document.write( "the line y = x.<BR>\n" );
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document.write( "(1,1),(4,3),(-5,0) remember y=x and x=y so the coordinates just change places<BR>\n" );
document.write( ":\r<BR>\n" );
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document.write( " </SPAN>\n" );
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