document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82783>Question 82783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you put [x=y^2+8y+13] into vertex form and how do you graph it?<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 #59370 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=59370\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you put [x=y^2+8y+13] into vertex form and how do you graph it?<BR>\n" );
document.write( "Square the y-terms to get:\r<BR>\n" );
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document.write( "x=y^2+8y+16+13-16\r<BR>\n" );
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document.write( "x=y^2+8y+16-3<BR>\n" );
document.write( "x+3 = (y+4)^2\r<BR>\n" );
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document.write( "Vertex at (-3,-4)<BR>\n" );
document.write( "x-intercept at 13<BR>\n" );
document.write( "y-intercepts:<BR>\n" );
document.write( "y = [-8+-sqrt(8^2-4*13)]/2<BR>\n" );
document.write( "y = [-8+-2sqrt3]/2<BR>\n" );
document.write( "y = (-4+sqrt3) or y = -4-sqrt3<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "The parabola opens to the right; has vertes, x-intercept, and y-intercepts<BR>\n" );
document.write( "as indicated.<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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