document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120484>Question 120484</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131953648/algebrahomeworkh>college algebra/ blitzer</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero\r<BR>\n" );
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document.write( "Answer:<BR>\n" );
document.write( "Show your work here:\r<BR>\n" );
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document.write( "	b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why?\r<BR>\n" );
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document.write( "Answer:<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88313 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=88313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero <BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "Show your work here: <BR>\n" );
document.write( "x^2+4x+4=0<BR>\n" );
document.write( "discriminant = sqrt(b^2-4ac)=sqrt(16-4*4)=0<BR>\n" );
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document.write( "b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why? <BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "The graph touches but does not pass through the x-axis at x=-2.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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