document.write( "Question 850196: I need to see a table of values for y = -x² +4x - 1. \n" ); document.write( "
Algebra.Com's Answer #512008 by richwmiller(17219)\"\" \"About 
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parabola
\n" ); document.write( "focus | (2, 11/4)=(2, 2.75)
\n" ); document.write( "vertex | (2, 3)
\n" ); document.write( "semi-axis length | 1/4
\n" ); document.write( "focal parameter | 1/2
\n" ); document.write( "eccentricity | 1
\n" ); document.write( "directrix | y = 13/4
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