document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443087>Question 443087</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me solve this please<BR>\n" );
document.write( "There are 3 equations in turning point form.(vertex form)<BR>\n" );
document.write( "y=a(x-0)^2+300 The points on the graph are (0,300)(-122.5,0) and (122.5,0)<BR>\n" );
document.write( "y=a(x-122.5)^2+300 The points on the graph are (122.5,300)(245,0) and (0,0)<BR>\n" );
document.write( "y=a(x+122.5)^2-300 The points on the graph are (-122.5,300) (-245,0) and (0,0) <BR>\n" );
document.write( "Can you please show me how to find the \"a\".<BR>\n" );
document.write( "i Know the answer is -0.02 for all of them but i cant figure out how?<BR>\n" );
document.write( "Your help is appreciated.<BR>\n" );
document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305623 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=305623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 3 equations in turning point form.(vertex form)<BR>\n" );
document.write( "y=a(x-0)^2+300 The points on the graph are (0,300)(-122.5,0) and (122.5,0)<BR>\n" );
document.write( "Let x = 122.5 and y = 0 ; then solve for \"a\".<BR>\n" );
document.write( "I get a = -0.02<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y=a(x-122.5)^2+300 The points on the graph are (122.5,300)(245,0) and (0,0)<BR>\n" );
document.write( "Let x = 0 and y = 0 ; then solve for \"a\".<BR>\n" );
document.write( "I get a = -0.02<BR>\n" );
document.write( "----<BR>\n" );
document.write( "y=a(x+122.5)^2-300 The points on the graph are (-122.5,300) (-245,0) and (0,0)<BR>\n" );
document.write( "Let x= 0 and y = 0 ; then solve for \"a\".<BR>\n" );
document.write( "I get a = +0.02<BR>\n" );
document.write( "------------------------------------------------<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================== <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );