document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971660>Question 971660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^2-5y+20=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594064 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=594064\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I will edit this problem to be x^2-5x+20=0, since that can be graphed and roots may be found.  The equation as written can only be substituted for y or for x.<BR>\n" );
document.write( "Large positive constant suggests complex roots\r<BR>\n" );
document.write( "\n" );
document.write( "quadratic formula  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29 ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "x= (1/2)  {5 +/- sqrt (25-80)}   sqrt = -55 = i sqrt(55)\r<BR>\n" );
document.write( "\n" );
document.write( "x= (1/2) * (5 +/- i sqrt (55) )  Graph will show no crossing of x-axix, parabola, with vertex at x=(5/2)\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph+%28300%2C200%2C-10%2C10%2C-10%2C50%2Cx%5E2-5x%2B20%29 ALIGN=MIDDLE  ALT=\"+graph+%28300%2C200%2C-10%2C10%2C-10%2C50%2Cx%5E2-5x%2B20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );