document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102481>Question 102481</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine the equation of the parabola with x-intercepts -4 and 3, and that passes through (2,7) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74508 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=74508\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> determine the equation of the parabola with x-intercepts -4 and 3, and that passes through (2,7)<BR>\n" );
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document.write( "If -4 and 3 are x-intercepts, f(x) has factors (x+4) and (x-3)<BR>\n" );
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document.write( "So, y = a(x+4)(x-3)<BR>\n" );
document.write( "If the parabola passes thru (2,7) <BR>\n" );
document.write( "7 = a(2+4)(2-3)<BR>\n" );
document.write( "7 = a*6*-1<BR>\n" );
document.write( "a = -7/6<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "y = (-7/6)(x+4)(x-3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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