document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=636045>Question 636045</A>: <I><SPAN STYLE=\"word-break: break-all;\"> which of these is true about 7x^2-9x-11=0\r<BR>\n" );
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document.write( "a. the sum of its roots is 7/9<BR>\n" );
document.write( "b. the product of its roots is 9/7<BR>\n" );
document.write( "c. the sum of its roots is 11/9<BR>\n" );
document.write( "d. the product of its roots is -11/7\r<BR>\n" );
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document.write( "ty </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #400795 by </B><A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><B>Tatiana_Stebko(1539)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><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=Tatiana_Stebko><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=400795\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use Vieta's formulas for the quadratic equation<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;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1%2Bx2=-b%2Fa ALIGN=MIDDLE  ALT=\"x1%2Bx2=-b%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1%2Ax2=c%2Fa ALIGN=MIDDLE  ALT=\"x1%2Ax2=c%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%5E2-9x-11=0 ALIGN=MIDDLE  ALT=\"7x%5E2-9x-11=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=7 ALIGN=MIDDLE  ALT=\"a=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=-9 ALIGN=MIDDLE  ALT=\"b=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=-11 ALIGN=MIDDLE  ALT=\"c=-11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1%2Bx2=9%2F7 ALIGN=MIDDLE  ALT=\"x1%2Bx2=9%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1%2Ax2=-11%2F7 ALIGN=MIDDLE  ALT=\"x1%2Ax2=-11%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Answer: d. the product of its roots is -11/7<BR>\n" );
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