document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195402>Question 1195402</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value(s) of y such that the triangle with the given vertices has an area of 8 square units. (Enter your answers as a comma-separated list.)<BR>\n" );
document.write( "(−4, 5), (−3, 4), (−1, y).\r<BR>\n" );
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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 #827879 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=827879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the value(s) of y such that the triangle with the given vertices has an area of 8 square units. (Enter your answers as a comma-separated list.)<BR>\n" );
document.write( "A(−4,5), B(−3,4), C(−1,y).<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
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document.write( " A    B    C   A\r\n" );
document.write( "-4   -3   -1  -4\r\n" );
document.write( " 5    4    y   5\r\n" );
document.write( "</PRE><BR>\n" );
document.write( "Add the diagonal products starting at the upper left.<BR>\n" );
document.write( "-4*4 + -3y -1*5 = -3y - 21<BR>\n" );
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document.write( "Add the diagonal products starting at the lower left.<BR>\n" );
document.write( "5*-3 + 4*-1 - 4y = -4y - 19<BR>\n" );
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document.write( "The ABS of the difference is y - 2<BR>\n" );
document.write( "The area is 1/2 that = y/2 - 1<BR>\n" );
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document.write( "y/2 - 1 = 8<BR>\n" );
document.write( "y = 18<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "The other difference is -y + 2<BR>\n" );
document.write( "-y/2 + 1 = 8<BR>\n" );
document.write( "y = -14 </SPAN>\n" );
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