document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=704200>Question 704200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the equation of a parbola with vertex (3,9) and an intercept at the origin. <BR>\n" );
document.write( "I know I can put this in vertex form and have h,k, but I don't know the significance of the intercept at the origin?<BR>\n" );
document.write( "Thank you so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #433964 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=433964\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The y-intercept is at (0,0)<BR>\n" );
document.write( "That means when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+0+ ALIGN=MIDDLE  ALT=\"+y+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+0+ ALIGN=MIDDLE  ALT=\"+x+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You have:<BR>\n" );
document.write( "y = ( terms containing x ) + ( a constant )<BR>\n" );
document.write( "The constant must be zero, otherwise you have <BR>\n" );
document.write( "0 = some number, which is false<BR>\n" );
document.write( "So the equation must look like<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+ax%5E2+%2B+bx+ ALIGN=MIDDLE  ALT=\"+y+=+ax%5E2+%2B+bx+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );