document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240464>Question 240464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> do you now gow to write an equation of a parabola with a max value of 4 when x is 1 and one x intercept at 2... help with this specific and ones similar to it please </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176174 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=176174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> do you now how to write an equation of a parabola with a max value of 4 when x is 1 and one x intercept at 2... help with this specific and ones similar to it please<BR>\n" );
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document.write( "Vertex: (1,4)<BR>\n" );
document.write( "x-intercept: (2,0)<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Form:<BR>\n" );
document.write( "(x-1)^2 = 4p(y-4)\r<BR>\n" );
document.write( "\n" );
document.write( "Solve for \"p\": <BR>\n" );
document.write( "(2-1)^2 = 4p(0-4)<BR>\n" );
document.write( "-16p = 1<BR>\n" );
document.write( "p = -1/16<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Equation:\r<BR>\n" );
document.write( "\n" );
document.write( "(x-1)^2 = 4(-1/16)(y-4)<BR>\n" );
document.write( "x^2-2x+1 = (-1/4)(y-4)<BR>\n" );
document.write( "(-1/4)y + 1 = x^2-2x+1<BR>\n" );
document.write( "(-1/4)y = x^2-2x<BR>\n" );
document.write( "y = -4x^2+8x<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-4x%5E2%2B8x%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-4x%5E2%2B8x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "=======================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );