document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=439903>Question 439903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please I need some extra help with this problems!!<BR>\n" );
document.write( " Graphing Parabolas, for example this y= -x^2-2x+1?\r<BR>\n" );
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document.write( "please explain me how you do it?\r<BR>\n" );
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document.write( "   Thanks, Brian<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 #304003 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=304003\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Graphing Parabolas, for example this y= -x^2-2x+1? <BR>\n" );
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document.write( "If you don't know much about quadratics and parabolas<BR>\n" );
document.write( "the best you can do is plot points.<BR>\n" );
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document.write( "If you know somethings you could find the y-intercept (0,1);<BR>\n" );
document.write( "you could find the x-intercepts by solving -x^2-2x+1 = 0;<BR>\n" );
document.write( "you could find the vertex at (-b/(2a),f(-b/(2a));<BR>\n" );
document.write( "you could notice the parabola opens downward because the<BR>\n" );
document.write( "coefficient of x^2 is negative.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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