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8. 已知 A 為一多項式,且 A÷(x+4)的餘式為 0;A÷(2x+3)的餘式為 5;A÷(x-3)的餘式為 0,則下列敘述何者錯誤?(A) x+4 是 A 的因式 (B)2x+3 是 A 的因式
問題詳情
8. 已知 A 為一多項式,且 A÷(x+4)的餘式為 0;A÷(2x+3)的餘式為 5;A÷(x-3)的餘式為 0,則下列敘述何者錯誤?
(A) x+4 是 A 的因式
(B)2x+3 是 A 的因式
(C)2x+3 是 A-5 的因式
(D) A 是 x-3 的倍式
參考答案
答案:B
難度:
計算中
-1
書單:
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7. 下圖是 A 鎮到 B 鎮的道路圖, A 鎮它是利用間隔均為 1 的棋盤 PQ式方格為底所設計的,則從 A鎮到 B 鎮走哪條路徑最長? (A)P (B)Q (C)R (D)S
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9. 何者為 - 4 x2 + 12 x - 9 的因式? (A) x+3 (B) 2x-3 (C) 4x+9 (D) -2x-3
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