document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678888>Question 678888</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In this problem, I am supposed to:<BR>\n" );
document.write( "(a) using a graphing calculator to graph the equation<BR>\n" );
document.write( "(b) use the graph to approximate any x-intercepts of the graph<BR>\n" );
document.write( "(c) set y=0 and solve the resulting equation<BR>\n" );
document.write( "(d) compare the result of part (c) with the x-intercepts of the graph.<BR>\n" );
document.write( "For part (a) I got the x-intercepts -1 and -5.<BR>\n" );
document.write( "When I did part (c) I got -1, but I have no idea how to get the -5...<BR>\n" );
document.write( "How do you solve for x twice?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421811 by </B><A HREF=/tutors/aboutme.mpl?userid=pmatei><B>pmatei(79)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=pmatei><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=421811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You never said what function you have. Thus nobody can tell you what to do exactly.\r<BR>\n" );
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document.write( "From your answer to part (a) I expect that you could factor your function into a form like:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+C%28x%2B1%29%28x-5%29 ALIGN=MIDDLE  ALT=\"y+=+C%28x%2B1%29%28x-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If so, then when you replace y with zero, you have a multiplication of 3 factors that equals zero. As C is a non-zero number, remain only 2 factors that can be zero: either <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B1=0 ALIGN=MIDDLE  ALT=\"x%2B1=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-5=0 ALIGN=MIDDLE  ALT=\"x-5=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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