document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=594421>Question 594421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	What is the formula for the determinant of a 3 x 3 matrix  ?<BR>\n" );
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document.write( "2.	Solve the inequality |2x &#8722; 4| < 10. Write the solution in interval notation and graph it.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #376716 by </B><A HREF=/tutors/aboutme.mpl?userid=AnlytcPhil><B>AnlytcPhil(1810)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AnlytcPhil><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=AnlytcPhil><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=376716\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <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( "1. What is the formula for the determinant of a 3 x 3 matrix ?<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28matrix%283%2C3%2Ca%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%2Ci%29%29 ALIGN=MIDDLE  ALT=\"abs%28matrix%283%2C3%2Ca%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%2Ci%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = aei + bfg + cdh - ceg - bdi - afh \r\n" );
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document.write( "2. Solve the inequality |2x &#8722; 4| < 10. Write the solution in interval notation and graph it:<BR>\n" );
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document.write( "                              -10 < 2x - 4 < 10, and solve for x in the middle:\r\n" );
document.write( "Add 4 to all three sides       +4       +4   +4                           \r\n" );
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document.write( "                               -6 < 2x     < 14\r\n" );
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document.write( "Divide all three sides by 2    -3 <  x     <  7\r\n" );
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document.write( "Here is the graph:\r\n" );
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document.write( "                    -----------o=============================o------------\r\n" );
document.write( "                    -6  -5 -4 -3 -2 -1  0  1  2  3  4  5  6  7  8  9 10 11\r\n" );
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document.write( "Here is the interval notation, which is an abbreviation for the graph:\r\n" );
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document.write( "                                     (-3,7)\r\n" );
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document.write( "Edwin</PRE> </SPAN>\n" );
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