document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=943236>Question 943236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic at<BR>\n" );
document.write( "a) two points (1 mark)<BR>\n" );
document.write( "b) one points (1 mark)<BR>\n" );
document.write( "c) no point (1 mark)\r<BR>\n" );
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document.write( "My work on the question:<BR>\n" );
document.write( "kx^2-5x+2=-3x+4<BR>\n" );
document.write( "kx^2-2x-2=0\r<BR>\n" );
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document.write( "What I need for someone to help me with:<BR>\n" );
document.write( "parts a,b and c showing and explaining how you got it and also if I did something wrong concerning the simplified form of the equations,explain where I went wrong and help recalculate the simplified form of the equations.\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #575068 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=575068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A discriminant question.  First derive the equation for the intersection, and solve for the x coordinate, which will be a formula including k.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=kx%5E2-5x%2B2=-3x%2B4 ALIGN=MIDDLE  ALT=\"kx%5E2-5x%2B2=-3x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, simply through equating the expressions for y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=kx%5E2-2x-2=0 ALIGN=MIDDLE  ALT=\"kx%5E2-2x-2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282%2B-+sqrt%284%2B4k%2A2%29%29%2F%282k%29 ALIGN=MIDDLE  ALT=\"x=%282%2B-+sqrt%284%2B4k%2A2%29%29%2F%282k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----solution for general quadratic equation applied<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282%2B-+sqrt%284%281%2B2k%29%29%29%2F%282k%29 ALIGN=MIDDLE  ALT=\"x=%282%2B-+sqrt%284%281%2B2k%29%29%29%2F%282k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282%2B-+2%2Asqrt%281%2B2k%29%29%2F%282k%29 ALIGN=MIDDLE  ALT=\"x=%282%2B-+2%2Asqrt%281%2B2k%29%29%2F%282k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=%281%2B-+sqrt%281%2B2k%29%29%2Fk%29 ALIGN=MIDDLE  ALT=\"highlight%28x=%281%2B-+sqrt%281%2B2k%29%29%2Fk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now use what you are supposed to know about the discriminant to find your answers for k, and be aware, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k%3C%3E0 ALIGN=MIDDLE  ALT=\"k%3C%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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