document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80023>Question 80023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help writing a quadratic function using 3 out of these 5 points on a parabola. Can you help me please?      (0,254)(4,234)(8,235)(12,239)(16,255)\r<BR>\n" );
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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 #57414 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=57414\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Pick any of the three points.<BR>\n" );
document.write( "Substitute their x,y values one at a time into the form y=ax^2+bx+c<BR>\n" );
document.write( "You will get three equations with the three unknowns a,b, and c.<BR>\n" );
document.write( "Solve the system of three equations for a, b, and c.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H..<BR>\n" );
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