document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071073>Question 1071073</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find K so that one zero of the polynomial 2kx^2-20x+21 =0 exceeds the other by 2 \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 #685995 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=685995\">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=%2820%2Bsqrt%28400-4%2A2k%2A21%29%29%2F%284k%29-%2820-sqrt%28400-4%2A2k%2A21%29%29%2F%284k%29=2 ALIGN=MIDDLE   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=%282%2Asqrt%28400-4%2A2k%2A21%29%29%2F%284k%29=2 ALIGN=MIDDLE  ALT=\"%282%2Asqrt%28400-4%2A2k%2A21%29%29%2F%284k%29=2\"   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=%282%2A2%2Asqrt%28100-42k%29%29%2F%284k%29=2 ALIGN=MIDDLE  ALT=\"%282%2A2%2Asqrt%28100-42k%29%29%2F%284k%29=2\"   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=sqrt%28100-42k%29%2Fk=2 ALIGN=MIDDLE  ALT=\"sqrt%28100-42k%29%2Fk=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "square both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28100-42k%29%2Fk%5E2=4 ALIGN=MIDDLE  ALT=\"%28100-42k%29%2Fk%5E2=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=100-42k=4k%5E2 ALIGN=MIDDLE  ALT=\"100-42k=4k%5E2\"   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=50-21k=2k%5E2 ALIGN=MIDDLE  ALT=\"50-21k=2k%5E2\"   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=highlight_green%282k%5E2%2B21k-50=0%29 ALIGN=MIDDLE  ALT=\"highlight_green%282k%5E2%2B21k-50=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Resorting to general solution of quadratic equation for this ,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%28-21%2B-+sqrt%2821%5E2%2B4%2A2%2A50%29%29%2F4 ALIGN=MIDDLE  ALT=\"k=%28-21%2B-+sqrt%2821%5E2%2B4%2A2%2A50%29%29%2F4\"   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=highlight%28k=%28-21%2B-+29%29%2F4%29 ALIGN=MIDDLE  ALT=\"highlight%28k=%28-21%2B-+29%29%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------but I'll leave it to you, to finish this. </SPAN>\n" );
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