document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=672418>Question 672418</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of a parabola with a vertex (2,-12) that passes through the point (0,0) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #418017 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=418017\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the equation of a parabola with a vertex (2,-12) that passes through the point (0,0)<BR>\n" );
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document.write( "Plotting the vertex and the point (2,-12), the parabola<BR>\n" );
document.write( "must open down or to the right.<BR>\n" );
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document.write( "y = a(x-h)^2 + k with a < 0<BR>\n" );
document.write( "Using (2,-12) and (0,0)<BR>\n" );
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document.write( "-12 = a(2-0)^2 + 0<BR>\n" );
document.write( "4a = -12<BR>\n" );
document.write( "a = -3<BR>\n" );
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document.write( "Equation:\r<BR>\n" );
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document.write( "y = -3(x-2)^2\r<BR>\n" );
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document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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