document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=440477>Question 440477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a quadratic equation-standard, vertex, and factored form-how do you calculate the 'a'? \r<BR>\n" );
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document.write( "ex: I know part of the equation of a parabola- y=a(x+7)(x+3). so what's 'a'? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304274 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=304274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a quadratic equation-standard, vertex, and factored form-how do you calculate the 'a'? <BR>\n" );
document.write( "ex: I know part of the equation of a parabola- y=a(x+7)(x+3). so what's 'a'?<BR>\n" );
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document.write( "All you need is one point on the curve to find a.  Just plug in x and y and solve for a.<BR>\n" );
document.write( "The coefficient \"a\" affects the steepness of the parabola, that is, the higher it is, the steeper or narrower the parabola. You can easily show this on a graphing calculator. </SPAN>\n" );
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