document.write( "Question 2003: What information is needed about a parabola to find it's equation in factored form? \n" ); document.write( "
Algebra.Com's Answer #806 by longjonsilver(2297)\"\" \"About 
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you need the equation of the quadratic.\r
\n" ); document.write( "\n" ); document.write( "Some can be factorised by sight. Others, you would need to employ the \"completing the square\" method to factorise.\r
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