document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=680832>Question 680832</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to graph f(x)=-3x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422481 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=422481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Clue from f(x)=-3x^2; <BR>\n" );
document.write( "it will graph upside down due to the negative<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y intercept is 0<BR>\n" );
document.write( "Plot (0,0)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "x intercepts are when y = 0<BR>\n" );
document.write( "0 = -3x^2<BR>\n" );
document.write( "x^2 = 0<BR>\n" );
document.write( "x = 0<BR>\n" );
document.write( "Plot (0,0)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "choose random values for x and solve for y<BR>\n" );
document.write( "If x is 1<BR>\n" );
document.write( "y = -3(1)^2 = -3<BR>\n" );
document.write( "Plot(1,-3)<BR>\n" );
document.write( "If x is 2<BR>\n" );
document.write( "y = -3(2)^2 = -12<BR>\n" );
document.write( "Plot (2,-12)<BR>\n" );
document.write( "If x is -1<BR>\n" );
document.write( "y = -3(-1)^2 = -3<BR>\n" );
document.write( "Plot (-1,-3)<BR>\n" );
document.write( "If x is -2<BR>\n" );
document.write( "y = -3(-2)^2 = -12<BR>\n" );
document.write( "Plot (-2,-12)<BR>\n" );
document.write( "and so on<BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-20%2C20%2C-20%2C20%2C-3x%5E2%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-20%2C20%2C-20%2C20%2C-3x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );