document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=536670>Question 536670</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^2-14x+48<0\r<BR>\n" );
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document.write( "The answer choices are: A (4,12), B (6,8), C (-infinity,6) U (8, infinity), D (-infinity,6] U [8, infinity) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #352519 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=352519\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF YOU CAN FACTOR (using the quadratic formula to help is allowed)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-14x%2B48=%28x-8%29%28x-6%29 ALIGN=MIDDLE  ALT=\"x%5E2-14x%2B48=%28x-8%29%28x-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > so it will be positive for x<6 and for x>8, zero at x=6 and x=8 , and negative in between.<BR>\n" );
document.write( "IF YOU WILL NOT FACTOR<BR>\n" );
document.write( "The coefficient of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > term is positive (+1), so the parabola opens up (smiling shape). A parabola with that shape might be negative somewhere in the middle, but will definitely have positive y values at both ends. That eliminates answers C and D.<BR>\n" );
document.write( "For x=10 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-14x%2B48=10%5E2-14%2A10%2B48=100-140%2B48=8 ALIGN=MIDDLE  ALT=\"x%5E2-14x%2B48=10%5E2-14%2A10%2B48=100-140%2B48=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and that eliminates answer A.<BR>\n" );
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