document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=220083>Question 220083</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the y-intercept of f(x)={x^2-4x-5} over {x^2+2x+1}? and how did you get that? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #165345 by </B><A HREF=/tutors/aboutme.mpl?userid=jsmallt9><B>jsmallt9(3758)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jsmallt9><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=165345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The y-intercept is where a graph crosses (or intersects) the y-axis. Think about the points on the y-axis. Think about the coordinates of points on the y-axis. After some thought I hope it is obvious the all the points on the y-axis have an x-coordinate of 0. So to find the y-intercept of a function, use a value of 0 for x. IOW, f(0) is the y-intercept.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+%28x%5E2-4x-5%29%2F%28x%5E2%2B2x%2B1%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+%28x%5E2-4x-5%29%2F%28x%5E2%2B2x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29+=+%28%280%29%5E2-4%280%29-5%29%2F%28%280%29%5E2%2B2%280%29%2B1%29+=+%280+-+4%280%29+-+5%29%2F%280+%2B+2%280%29+%2B+1%29+=+%280+-+0+-+5%29%2F%280+%2B+0+%2B+1%29+=+%28-5%29%2F1+=+-5 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the y-intercept is (0, -5). </SPAN>\n" );
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