document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=689954>Question 689954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The graph of y = –2x2 + 15x + c contains (3, 89). Find the value of c. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426098 by </B><A HREF=/tutors/aboutme.mpl?userid=Stitch><B>Stitch(470)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Stitch><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=426098\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y+=+-2X%5E2+%2B+15X+%2B+C ALIGN=MIDDLE  ALT=\"Y+=+-2X%5E2+%2B+15X+%2B+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And the point (3,89)<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "That means that when you plug 3 into the equation for X, then Y will be 89.<BR>\n" );
document.write( "Rewrite the equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=89+=+-2%2A%283%29%5E2+%2B+15%2A%283%29+%2B+C ALIGN=MIDDLE  ALT=\"89+=+-2%2A%283%29%5E2+%2B+15%2A%283%29+%2B+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify the equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=89+=+-2%2A9+%2B+45+%2B+C ALIGN=MIDDLE  ALT=\"89+=+-2%2A9+%2B+45+%2B+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify the equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=89+=+-18+%2B+45+%2B+C ALIGN=MIDDLE  ALT=\"89+=+-18+%2B+45+%2B+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=89+=+27+%2B+C ALIGN=MIDDLE  ALT=\"89+=+27+%2B+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract 27 from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2862+=+C%29 ALIGN=MIDDLE  ALT=\"highlight%2862+=+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );