document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=42660>Question 42660</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321228014/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Give the equation or other information on for a parabola, find the matching discription or graph.<BR>\n" );
document.write( "f(x)-a(x-h)2+k       the 2 after ) is square<BR>\n" );
document.write( "a is less than 0<BR>\n" );
document.write( "h is equal to 0\r<BR>\n" );
document.write( "\n" );
document.write( "choices:<BR>\n" );
document.write( "a.  the graph of f(x) does not intersect x-axis<BR>\n" );
document.write( "b.  you can not tell from the information given<BR>\n" );
document.write( "c.  the graph of f(x) interescts the x-axis at one point<BR>\n" );
document.write( "d.  the graph of f(x) intersects the x-axis at two points </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #27740 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=27740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+a%28x-h%29%5E2+%2B+k ALIGN=MIDDLE  ALT=\"f%28x%29+=+a%28x-h%29%5E2+%2B+k\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+a%28x%29%5E2+%2B+k ALIGN=MIDDLE  ALT=\"f%28x%29+=+a%28x%29%5E2+%2B+k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "vertex: (0,k)<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" > is negative, you have no intersection with the x-axis.<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" > is zero, you have one intersection with the x-axis.<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" > is positive, you have two intersections with the x-axis.<BR>\n" );
document.write( "Since the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" > is negative, the parabola opens downward.<BR>\n" );
document.write( "The answer is (B). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );