Positive or Negative Definite?-Quadratic Functions?

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Is 'y=100-(x-1)² a postive definite function where a>0 or negative definate function where a<0?

2007-04-12 13:23:41 · 2 answers · asked by th3one101 2 in Science & Mathematics ➔ Mathematics

if a<0 Y is definitely positive,
otherwise if a>0 , Y will be definitely negative if (x-1)^2*a >100, else Y will be definitely positive

2007-04-13 00:15:49 · answer #1 · answered by Harry 3 · 0⤊ 0⤋

Where is "a" in your question?

2007-04-12 23:16:19 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋