Mathematics
Senior High
Resolved
請教我這一題!感激不盡🥺
是多選
)3. 設為實數,多項式函數f(x)=-x²+(k+1)x+k-2,已知y=f(x)的圖形在
坐標平面上恰通過兩個象限,且不會與x軸相切,則下列哪些選項中的數值可滿
足上述條件的k值?
(A)-9
(B)-5
(C) -π
(D) √26
(E) 9
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