document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366152>Question 366152</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to write a quadratic function in standard form for a parabola shown. It gives me three different point on the parabola which are (2,7), (3,2), and (5,4). What is the andswer and how am I supposed to get the answer? And the parabola opens up. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #260919 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=260919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the general form of a quadratic equation.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7=a%282%29%5E2%2Bb%282%29%2Bc ALIGN=MIDDLE  ALT=\"7=a%282%29%5E2%2Bb%282%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284a%2B2b%2Bc=7%29 ALIGN=MIDDLE  ALT=\"highlight%284a%2B2b%2Bc=7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2=a%283%29%5E2%2Bb%283%29%2Bc ALIGN=MIDDLE  ALT=\"2=a%283%29%5E2%2Bb%283%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%289a%2B3b%2Bc=2%29 ALIGN=MIDDLE  ALT=\"highlight%289a%2B3b%2Bc=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=a%285%29%5E2%2Bb%285%29%2Bc ALIGN=MIDDLE  ALT=\"4=a%285%29%5E2%2Bb%285%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2825a%2B5b%2Bc=4%29 ALIGN=MIDDLE  ALT=\"highlight%2825a%2B5b%2Bc=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Now you have three linear equations in three unknowns (a,b,c).<BR>\n" );
document.write( "Solve using any method (substitution, elimination, matrix methods). <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-2%2C10%2C-2%2C10%2C%0D%0Acircle%283%2C2%2C0.3%29%2Ccircle%285%2C4%2C0.3%29%2Ccircle%282%2C7%2C0.3%29%2Cgrid%281%29%2Cgraph%28300%2C300%2C-2%2C10%2C-2%2C10%2C0%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "It looks like the parabola opens upwards.\r<BR>\n" );
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