document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005854>Question 1005854</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem:\r<BR>\n" );
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document.write( "Determine the x-intercepts of the curve which has a slope of 2x+1 and passes through (1,-4).  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622013 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> since slope (f'(x)) = 2x + 1<BR>\n" );
document.write( "f(x) = x^2 +x + c where c is a constant<BR>\n" );
document.write( "now f(x) goes through point (1, -4), then<BR>\n" );
document.write( "-4 = 1^2 + 1 + c and c = -6<BR>\n" );
document.write( "f(x) = x^2 + x - 6<BR>\n" );
document.write( "to find x intercepts set f(x) = 0 and solve for x<BR>\n" );
document.write( "x^2 + x -6 = 0<BR>\n" );
document.write( "factor polynomial<BR>\n" );
document.write( "(x+3) * (x-2) = 0<BR>\n" );
document.write( "x intercepts are -3, 2<BR>\n" );
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