document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1130883>Question 1130883</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The graph of a quadratic function has x-intercepts -10 and 2. Write a quadratic equation in standard form that has these roots.\r<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 #747500 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=747500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "f(x) = a*(x-(-10))*(x-2) = a*(x+10)*(x-2) = a*(x^2 +8x - 20) = ax^2 + 8ax -20a,  &nbsp;&nbsp;&nbsp;&nbsp;  (*)\r<BR>\n" );
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document.write( "where a is an arbitrary real number.\r<BR>\n" );
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document.write( "It is the most general standard form of such a function.\r<BR>\n" );
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document.write( "If you want to have an equation, equate (*) to zero:\r<BR>\n" );
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document.write( "ax^2 + 8ax - 20a = 0.\r<BR>\n" );
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