document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=948107>Question 948107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A parabola has the vertex (2, -30 ) and passes through the point (5, -12 ). Find a function f with this graph.\r<BR>\n" );
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document.write( "f(x) =\r<BR>\n" );
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document.write( "Please explain how I would find the solution\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578631 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=578631\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A parabola has the vertex (2, -30 ) and passes through the point (5, -12 ). Find a function f with this graph.<BR>\n" );
document.write( " f(x) = <BR>\n" );
document.write( "Please explain how I would find the solution <BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Vertex form::<BR>\n" );
document.write( "a(x-h)^2 = y-k<BR>\n" );
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document.write( "Solve for \"a\"::<BR>\n" );
document.write( "a(x-2)^2 = y+30<BR>\n" );
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document.write( "a(5-2)^2 = -12+30<BR>\n" );
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document.write( "9a = 18<BR>\n" );
document.write( "a = 2<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "2(x-2)^2 = y+30<BR>\n" );
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document.write( "y = 2(x-2)^2 -30<BR>\n" );
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document.write( "y = 2x^2 - 8x -26<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-50%2C50%2C-50%2C50%2C2x%5E2-8x-26%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-50%2C50%2C-50%2C50%2C2x%5E2-8x-26%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------\r<BR>\n" );
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document.write( " </SPAN>\n" );
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