document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118817>Question 118817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What function has x-intercepts -2/7 and 5/3 ? I think the answer is y=21x^2-29x-10 but I'm really not sure if I know what I'm doing. Can someone please explain it to me? Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86943 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=86943\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your answer is absolutely correct!<BR>\n" );
document.write( "Here's how I did it so you can compare with the method you used.<BR>\n" );
document.write( "The x-intercepts (also known as the \"zeros\") are given as:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+-2%2F7 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+-2%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D+=+5%2F3 ALIGN=MIDDLE  ALT=\"x%5B2%5D+=+5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Since you know the x-intercepts, you can find the factors of the original equation.<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-2%2F7 ALIGN=MIDDLE  ALT=\"x+=+-2%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B2%2F7+=+0 ALIGN=MIDDLE  ALT=\"x%2B2%2F7+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > This is one of the factors.<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+5%2F3 ALIGN=MIDDLE  ALT=\"x+=+5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-5%2F3+=+0 ALIGN=MIDDLE  ALT=\"x-5%2F3+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > This is the other factor.<BR>\n" );
document.write( "To find the equation, just multiply these two factor and set equal to zero:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%2F7%29%28x-5%2F3%29+=+0 ALIGN=MIDDLE  ALT=\"%28x%2B2%2F7%29%28x-5%2F3%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-%285%2F3%29x%2B%282%2F7%29x-10%2F21+=+0 ALIGN=MIDDLE  ALT=\"x%5E2-%285%2F3%29x%2B%282%2F7%29x-10%2F21+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply through by the LCD of 21.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21x%5E2-35x%2B6x-10+=+0 ALIGN=MIDDLE  ALT=\"21x%5E2-35x%2B6x-10+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21x%5E2-29x-10+=+0 ALIGN=MIDDLE  ALT=\"21x%5E2-29x-10+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >... et Voila! </SPAN>\n" );
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