document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248987>Question 248987</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Use the quadratic formula to determine the x-intercepts (if any) of the following function. Then evaluate the function for several values of x, and use the resulting points to graph the function. Show your work; \r<BR>\n" );
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document.write( "f(x) = -x2 + 2x - 1<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 #181394 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=181394\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the quadratic formula to determine the x-intercepts (if any) of the following function. Then evaluate the function for several values of x, and use the resulting points to graph the function. Show your work; <BR>\n" );
document.write( "f(x) = -x^2 + 2x - 1<BR>\n" );
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document.write( "a = -1 ; b = 2 ; c = -1<BR>\n" );
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document.write( "x = [-2 +- sqrt(4 - 4*-1*-1)]/-2<BR>\n" );
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document.write( "x = [-2 +- sqrt(0)]/-2<BR>\n" );
document.write( "x = 1 with multiplicity two<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B2x-1%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B2x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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