document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=5249>Question 5249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve this problem?  Its been a while since I've taken any math and I have to take the pre-test for college.  I can't find any examples in the pre GED book to help me figure them out.  Any help would be appreciated.\r<BR>\n" );
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document.write( "1)  Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x?\r<BR>\n" );
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document.write( "2)  If x=-1 and y=2, what is the value of the expression 2x3 (the 3 is small and above the x) -3xy?\r<BR>\n" );
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document.write( "3) For all x, 12x2-40x-32=?\r<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 #2660 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2660\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x-3%29%283x%2B2%29 ALIGN=MIDDLE  ALT=\"%282x-3%29%283x%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "2. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E3+-+3xy ALIGN=MIDDLE  ALT=\"2x%5E3+-+3xy\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28-1%29%5E3+-+3%28-1%29%282%29 ALIGN=MIDDLE  ALT=\"2%28-1%29%5E3+-+3%28-1%29%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--> 2(-1) + 6<BR>\n" );
document.write( "--> -2 + 6<BR>\n" );
document.write( "--> 4\r<BR>\n" );
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document.write( "3. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12x%5E2-40x-32 ALIGN=MIDDLE  ALT=\"12x%5E2-40x-32\"   DISABLED_style= \"max-width:90%; height:auto;\" >=?. \r<BR>\n" );
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document.write( "dy/dx = 24x-40\r<BR>\n" );
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document.write( "24x-40 = 0<BR>\n" );
document.write( "24x = 40<BR>\n" );
document.write( "x = 40/24<BR>\n" );
document.write( "x = 5/3\r<BR>\n" );
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document.write( "--> y = 12(5/3)^2 - 40(5/3) - 32<BR>\n" );
document.write( "so y = 12*25/9 - 200/3 - 32<BR>\n" );
document.write( "y = -65 and 1/3<BR>\n" );
document.write( "ie y = -196/3\r<BR>\n" );
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document.write( "So, IF you mean, what y values do you get from this function, then the answer is y>= -196/3\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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