document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=815667>Question 815667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I've been working on a Thanksgiving break assignment, and just recently came across a problem I can't to remember how to solve. I need to explain how to write a function with a zero of .5. Any help would be really wonderful as I just can not remember learning this, and my note book doesn't seem to have any good information on it inside either. Thanks in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491153 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=491153\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Work backwards from the solution:\r<BR>\n" );
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document.write( "x = 0.5<BR>\n" );
document.write( "x - 0.5 = 0 {subtracted 0.5 from each side}<BR>\n" );
document.write( "(x - 0.5)(x - 0.5) = 0 {wrote as two binomials multiplied equal to zero}<BR>\n" );
document.write( "x(x) + x(-0.5) - 0.5(x) - 0.5(-0.5)= 0 {used foil method}<BR>\n" );
document.write( "x² - 0.5x - 0.5x + 0.25 = 0 {multiplied through}<BR>\n" );
document.write( "x² - x + 0.25 = 0 {combined like terms}<BR>\n" );
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