document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975640>Question 975640</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I'm doing exam review and a crucial section I need to know I cannot remember. This question I'm unsure of how to attempt. Thanks to the person that solves it.\r<BR>\n" );
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document.write( "Using the method indicated,  determine the minimum or maximum value of each of the following and state the X value for which it occurs.\r<BR>\n" );
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document.write( "A) y=x^2+8x-5 by partial factoring \r<BR>\n" );
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document.write( "B) y=-3x^2-12x+7 by completing the square </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597358 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=597358\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (A), partial factoring for max or min of y=x^2+8x-5, but what kind of method is \"partial factoring\"?  I never heard of that.  The quadratic polynomial you have on the right hand side is not factorable.\r<BR>\n" );
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document.write( "I would just use general solution to get the zeros, and find the x value in the middle.\r<BR>\n" );
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document.write( "Zeros:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-8%2B-+sqrt%2864%2B4%2A5%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28-8%2B-+sqrt%2864%2B4%2A5%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-8%2B-+sqrt%2812%2A7%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28-8%2B-+sqrt%2812%2A7%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-8%2B-+2%2Asqrt%2821%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28-8%2B-+2%2Asqrt%2821%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28-4%2B-+sqrt%2821%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28-4%2B-+sqrt%2821%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the zeros for the equation\r<BR>\n" );
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document.write( "Find Middle x value of the zeros:<BR>\n" );
document.write( "Just same as finding the average of the zeros,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-4%2Bsqrt%2821%29%2B%28-4%29-sqrt%2821%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28-4%2Bsqrt%2821%29%2B%28-4%29-sqrt%2821%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-8%2B0%29%2F2 ALIGN=MIDDLE  ALT=\"%28-8%2B0%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-4%29 ALIGN=MIDDLE  ALT=\"highlight%28-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "The corresponding y value:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28-4%29%5E2%2B8%2A%28-4%29-5 ALIGN=MIDDLE  ALT=\"y=%28-4%29%5E2%2B8%2A%28-4%29-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16-32-5 ALIGN=MIDDLE  ALT=\"16-32-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-16-5 ALIGN=MIDDLE  ALT=\"-16-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-21%29 ALIGN=MIDDLE  ALT=\"highlight%28-21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, a minimum value.\r<BR>\n" );
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document.write( "(B):<BR>\n" );
document.write( "Study the lessons on Completing The Square.<BR>\n" );
document.write( "<a  rel=nofollow HREF=\"http://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev\">How to Complete The Square is included in this how-to-solve quadratic equation lesson.</a><BR>\n" );
document.write( "<a  rel=nofollow HREF=\"http://www.algebra.com/my/Completing-the-Square-Using-Pictures.lesson?content_action=show_dev\">Visually showing what Completing The Square means</a> </SPAN>\n" );
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