document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=930050>Question 930050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve the following per step. Thanks!<BR>\n" );
document.write( "For the quadratic function: f(x)=x^2-4x-5 find:<BR>\n" );
document.write( "a) y-intercept<BR>\n" );
document.write( "b) x-intercept(s)<BR>\n" );
document.write( "c) the vertex<BR>\n" );
document.write( "d) f(6) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564683 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=564683\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = x^2-4x-5  (x = 0)...y=intercept:  -5<BR>\n" );
document.write( "0 = (x+1)(x-5)<BR>\n" );
document.write( "x-intercepts: -1, 5<BR>\n" );
document.write( ".......<BR>\n" );
document.write( "y = x^2-4x-5 (Completing the Square)<BR>\n" );
document.write( "y = x^2-4x+4 -4 +5 = (x-2)^2 - 4 - 5<BR>\n" );
document.write( "y = (x-2)^2  - 9  V(2,-9)<BR>\n" );
document.write( "......<BR>\n" );
document.write( "f(6) = (6)^2 - 4(6) - 5 = 7<BR>\n" );
document.write( ".....<BR>\n" );
document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0), <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-h%29%5E2+%2Bk ALIGN=MIDDLE  ALT=\"y=a%28x-h%29%5E2+%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry <BR>\n" );
document.write( ".....<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-10%2C10%2C-10%2C10%2C++blue%28line%282%2C10%2C2%2C-10%29%29++%2C++%0D%0A+grid%281%29%2C%0D%0Acircle%282%2C+-9%2C0.4%29%2C%0D%0Acircle%286%2C7%2C0.4%29%2C%0D%0Acircle%280%2C+-5%2C0.4%29%2C%0D%0Acircle%28-1%2C+0%2C0.4%29%2C%0D%0Acircle%285%2C+0%2C0.4%29%2C%0D%0Agraph%28+300%2C+300%2C+-10%2C10%2C-10%2C10%2C0%2C+x%5E2-4x-5%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );