document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=775456>Question 775456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help solving the equation graphically and then checking the results algebraially <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2%2B12x=-9 ALIGN=MIDDLE  ALT=\"3x%5E2%2B12x=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #472884 by </B><A HREF=/tutors/aboutme.mpl?userid=sofiyac><B>sofiyac(983)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sofiyac><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=sofiyac><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=472884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2%2B12x=-9 ALIGN=MIDDLE  ALT=\"3x%5E2%2B12x=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2%2B12x%2B9=0 ALIGN=MIDDLE  ALT=\"3x%5E2%2B12x%2B9=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > instead of 0 put y there <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2%2B12x%2B9=y ALIGN=MIDDLE  ALT=\"3x%5E2%2B12x%2B9=y\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "now make a table of x and y, plug in any value of x you want and solve for y, do this about 5 times so you have 5 points. Example if x=0 then y=9 so first point could be (0,9) and so on. Then plot the points and connect the dots<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-5%2C+1%2C+-10%2C+10%2C+3x%5E2%2B12x%2B9%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-5%2C+1%2C+-10%2C+10%2C+3x%5E2%2B12x%2B9%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "looks like solutions fall at x=-3 and x=-1 so now plug those values in one at a time to check the solutions<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2%2B12x=-9 ALIGN=MIDDLE  ALT=\"3x%5E2%2B12x=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "if x=-3 then<BR>\n" );
document.write( "27-36=-9<BR>\n" );
document.write( "-9=-9 left=right<BR>\n" );
document.write( "if x=-1 then<BR>\n" );
document.write( "3-12=-9<BR>\n" );
document.write( "-9=-9 left=right\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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