document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=111946>Question 111946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find out the graphing for -x^2+4x+5=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #81765 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=81765\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> TO GRAPH THIS EQUATION SET <BR>\n" );
document.write( "Y=-X^2+4X+5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-x%5E2+%2B4x+%2B5%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-x%5E2+%2B4x+%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -x^2 +4x +5). <BR>\n" );
document.write( "set x=0 & solve for y<BR>\n" );
document.write( "y=5 (0,5) answer. <BR>\n" );
document.write( "set y=0 & solve for x<BR>\n" );
document.write( "0=-x^2+4x+5<BR>\n" );
document.write( "0=(-x+5)(x+1)<BR>\n" );
document.write( "-x+5=0<BR>\n" );
document.write( "-x=-5<BR>\n" );
document.write( "x=5 (5,0) answer.<BR>\n" );
document.write( "x+1=0<BR>\n" );
document.write( "x=-1 (-1,0) answer.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );