document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=88210>Question 88210</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need some help badley, find the vertex, the x-intercepts, and the y-intercept of the quadratic function.(remember that the x-coordinate of the vertex is -b/2a) problem y=x2-2x-3 then it says<BR>\n" );
document.write( " <BR>\n" );
document.write( "Vertex_________\r<BR>\n" );
document.write( "\n" );
document.write( "x-intercepts__________and __________\r<BR>\n" );
document.write( "\n" );
document.write( "y-intercept______________<BR>\n" );
document.write( "thanks for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #64170 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=64170\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need some help badly, find the vertex, the x-intercepts, and the y-intercept of the quadratic function.(remember that the x-coordinate of the vertex is -b/(2a) problem y=x2-2x-3 then it says<BR>\n" );
document.write( ":<BR>\n" );
document.write( "y = x^2 - 2x -3<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Vertex_________<BR>\n" );
document.write( "Find the axis of symmetry using x = -b/(2a), in this equation: a=1, b=-2<BR>\n" );
document.write( "x = -(-2)/(2*1)<BR>\n" );
document.write( "x = +2/2<BR>\n" );
document.write( "x = +1; <BR>\n" );
document.write( "Find the vertex by finding y: substitute 1 for x in the original equation:<BR>\n" );
document.write( "y = 2^1 + -2(1) - 3<BR>\n" );
document.write( "y = 1 - 2 - 3<BR>\n" );
document.write( "y = -4<BR>\n" );
document.write( "Vertex coordinates: x=1, y=-4<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x-intercepts__________and __________<BR>\n" );
document.write( "x intercepts occur when y = 0<BR>\n" );
document.write( "x^2 - 2x - 3 = 0<BR>\n" );
document.write( "This will factor to:<BR>\n" );
document.write( "(x-3)(x+1) = 0<BR>\n" );
document.write( "x = +3<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = -1<BR>\n" );
document.write( ":<BR>\n" );
document.write( "y-intercept______________<BR>\n" );
document.write( "y intercept occurs when x = 0<BR>\n" );
document.write( "Substitute 0 for x in the original equation<BR>\n" );
document.write( "y = 0^2 + 2(0) -3<BR>\n" );
document.write( "y = -3<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Did this help you?? Any questions? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );