document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924695>Question 924695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the x intercepts of the parabola with vertex (-5,80) and y intercept (0,-45). Round to the nearest hundredth  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561027 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=561027\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Parabola using only TWO given points?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-r%29%28x-s%29 ALIGN=MIDDLE  ALT=\"y=a%28x-r%29%28x-s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Using s=-45<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-r%29%28x-%28-45%29%29 ALIGN=MIDDLE  ALT=\"y=a%28x-r%29%28x-%28-45%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-r%29%28x%2B45%29 ALIGN=MIDDLE  ALT=\"y=a%28x-r%29%28x%2B45%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28a%28x-r%29=y%2F%28x%2B45%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28a%28x-r%29=y%2F%28x%2B45%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.............\r<BR>\n" );
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document.write( "Two points alone will not define a parabola.  You could allow a to be any value you want, as long as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28a%3C%3E0%29 ALIGN=MIDDLE  ALT=\"highlight_green%28a%3C%3E0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >; and then you can substitute for (-5,80) and solve for \"r\", the other root. </SPAN>\n" );
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