document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4215>Question 4215</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Set up and solve a system of linear equations for the the following:\r<BR>\n" );
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document.write( "find a, b and c for the quadratic function: f(x)=ax^2+bx+c\r<BR>\n" );
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document.write( "Given that<BR>\n" );
document.write( "f(x)=1, f(-3)=17, f(2)=-1/2\r<BR>\n" );
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document.write( "I have completed the quadratic function portion but I'm really lost finding a, b and c...Pleese help.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1882 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=1882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(-3)=17 means when x=-3, y=17<BR>\n" );
document.write( "f(2)=-1/2 means when x=2, y=-1/2.\r<BR>\n" );
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document.write( "Put these 2 sets of information into the function to get 2 equations. However, as there are 3unknowns (a, b and c) you will need a third equation too: f(x)=1?? is this a typo on your part? shouldn't the x be a number?\r<BR>\n" );
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document.write( "Once you have the 3 equations, you will have to solve them simultaneously either by substitution or elimination.\r<BR>\n" );
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document.write( "Jon.<BR>\n" );
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