document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=103749>Question 103749</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030565111/algebrahomeworkh>Precalculus A GRAPHING APPROACH</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> My problem is if the vertex of f(x)=x^2+bx+c is at (2,4), find b and c. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #75411 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=75411\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for a parabola with the vertex at (h,k) ... y=a(x-h)^2+k ... f(x)=x^2-4x+4+4 ... f(x)=x^2-4x+8\r<BR>\n" );
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document.write( "b=-4 and c=8\r<BR>\n" );
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document.write( "the coefficient of the x^2 term in the original equation is 1 so a=1 </SPAN>\n" );
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