document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1190224>Question 1190224</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve 5x^2 -11x-124=0 using the quadratic equation. I worked it out but not sure if my answer is right <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 #821830 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=821830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "The given equation is in the form <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%5E2%2Bbx%2Bc=0 ALIGN=MIDDLE  ALT=\"ax%5E2%2Bbx%2Bc=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We have<BR>\n" );
document.write( "a = 5<BR>\n" );
document.write( "b = -11<BR>\n" );
document.write( "c = -124\r<BR>\n" );
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document.write( "They are plugged into the quadratic formula below\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   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=x+=+%28-%28-11%29%2B-sqrt%28%28-11%29%5E2-4%285%29%28-124%29%29%29%2F%282%285%29%29 ALIGN=MIDDLE  ALT=\"x+=+%28-%28-11%29%2B-sqrt%28%28-11%29%5E2-4%285%29%28-124%29%29%29%2F%282%285%29%29\"   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=x+=+%2811%2B-sqrt%282601%29%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2811%2B-sqrt%282601%29%29%2F%2810%29\"   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=x+=+%2811%2Bsqrt%282601%29%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2811%2Bsqrt%282601%29%29%2F%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2811-sqrt%282601%29%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2811-sqrt%282601%29%29%2F%2810%29\"   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=x+=+%2811%2B51%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2811%2B51%29%2F%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%2811-51%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2811-51%29%2F%2810%29\"   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=x+=+%2862%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%2862%29%2F%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-40%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x+=+%28-40%29%2F%2810%29\"   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=x+=+31%2F5 ALIGN=MIDDLE  ALT=\"x+=+31%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-4 ALIGN=MIDDLE  ALT=\"x+=+-4\"   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=x+=+6.2 ALIGN=MIDDLE  ALT=\"x+=+6.2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-4 ALIGN=MIDDLE  ALT=\"x+=+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If you were to plot <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+5x%5E2-11x-124 ALIGN=MIDDLE  ALT=\"y+=+5x%5E2-11x-124\"   DISABLED_style= \"max-width:90%; height:auto;\" > (you can use a free tool like GeoGebra or Desmos), then you should find the two x intercepts are exactly 6.2 and -4.\r<BR>\n" );
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document.write( "WolframAlpha is another useful tool to check your work. There are many many other free options out there as well.<BR>\n" );
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