document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433506>Question 433506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if I only know the vertex of a parabola is (-2,-5), is there a way to figure out an equation for the parabola? How?\r<BR>\n" );
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document.write( "If I only know the zeros of a parabola are (-6,0) and (15,0) is there a way to figure out an equation for the parabola?  How? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300500 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=300500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if I only know the vertex of a parabola is (-2,-5), is there a way to figure out an equation for the parabola? How?<BR>\n" );
document.write( "No, an infinite number of parabolas can pass thru that vertex.<BR>\n" );
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document.write( "If I only know the zeros of a parabola are (-6,0) and (15,0) is there a way to figure out an equation for the parabola?  How?<BR>\n" );
document.write( "The 2 zeros are -6 and 15.<BR>\n" );
document.write( "---> (x+6)*(x-15) = 0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+9x+-+135+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+9x+-+135+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the equation.<BR>\n" );
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