document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390548>Question 390548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I dont get how to solve equations by graphing.<BR>\n" );
document.write( "Could you please show step by step how to do this?\r<BR>\n" );
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document.write( "-x^3 -3x-2=0\r<BR>\n" );
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document.write( "x^4+2x^2-1=0\r<BR>\n" );
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document.write( "y=-x^4+4x^3+3=0\r<BR>\n" );
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document.write( "-x^3+3x+4=0\r<BR>\n" );
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document.write( "x^4+2x-3=0\r<BR>\n" );
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document.write( "-x^3 +2x^2 +1=0\r<BR>\n" );
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document.write( "Any help you can give wuld be greatly appreciated <BR>\n" );
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 #276965 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=276965\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I dont get how to solve equations by graphing.<BR>\n" );
document.write( "Could you please show step by step how to do this?<BR>\n" );
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document.write( "You would have to plot enough points to see where <BR>\n" );
document.write( "the curve crosses the x-axis.<BR>\n" );
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document.write( "-x^3 -3x-2=0<BR>\n" );
document.write( "If x = 0, y = -2 giving (0,-2)<BR>\n" );
document.write( "If x = -1, y = 1+3-2 = 2 giving (-1,2)<BR>\n" );
document.write( "Note: Since the y-value changed from negative<BR>\n" );
document.write( "to positive, there must be a root between<BR>\n" );
document.write( "x = -1 and x = 0<BR>\n" );
document.write( "Try x = -1/2:<BR>\n" );
document.write( "If x = -1/2, y = -(-1/8)-(-1/2)-2 = (1/8)+(4/8)-2 = -1 3/8<BR>\n" );
document.write( "giving you (-1/2,-11/8)<BR>\n" );
document.write( "Keeping up this process you can get closer and closer to the solution<BR>\n" );
document.write( "which is -0.596072... <BR>\n" );
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document.write( "=========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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