document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=184012>Question 184012</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation for the following function in x-intercept form:\r<BR>\n" );
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document.write( "it shows the parabola,<BR>\n" );
document.write( "and the following points are labeled:<BR>\n" );
document.write( "(3,0) (7,0)<BR>\n" );
document.write( "i think they're intercepts?<BR>\n" );
document.write( "and then (6, -9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #138043 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=138043\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an equation for the following function in x-intercept form: <BR>\n" );
document.write( "it shows the parabola,<BR>\n" );
document.write( "and the following points are labeled:<BR>\n" );
document.write( "(3,0) (7,0)<BR>\n" );
document.write( "i think they're intercepts?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Yes, they are roots, so the function has (x-3) and (x-7) as factors.<BR>\n" );
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document.write( "and then (6, -9)<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = a(x-3)(x-7)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Since the function passes thru (6,-9) substitute to solve for \"a\":\r<BR>\n" );
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document.write( "-9 = a(6-3)(6-7)<BR>\n" );
document.write( "-9 = a*3*-1<BR>\n" );
document.write( "a = -9/-3 = 3<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Equation: y = 3(x-3)(x-7)<BR>\n" );
document.write( "==================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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