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7.關於多項式−10x2 + 13x3 + 3x4 − 2 − 4x,下列敘述何者正確?(A)此多項式 x2 的係數為 10 (B)此多項式各項係數的和為 0(C)此多項式為二次多項式 (D) −10
問題詳情
7.關於多項式−10x2 + 13x3 + 3x4 − 2 − 4x,下列敘述何者正確?
(A)此多項式 x2 的係數為 10
(B)此多項式各項係數的和為 0
(C)此多項式為二次多項式
(D) −10x2 − 4x − 2 + 3x4 + 13x3為升冪排列
參考答案
答案:B
難度:
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用户評論
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JIA
】評論
(A)此多項式 x2 的係數為- 10(C)此多項式為四次多項式(D)升冪是次方由大到小
上一篇 :
6.下列敘述何者正確?(A)(500 − 2)2 = 5002 − 22 (B)(500 − 2)2 = 5002 − 2 × 500 + 22(C)(500 − 2)2 = 5002 − 2 × 2
下一篇 :
8.計算(2x − 3) ∙ (3x + 4)的結果,與下列哪一個式子相同?(A) −7x+4 (B) −7x−12 (C)6x2 − 12 (D)6x2 − x − 12
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9.化簡(4x2 − 5x + 7) − (−2x2 + x − 4)之後,可得下列哪一個結果?(A)2x2 − 4x + 3 (B)2x2 − 6x + 11 (C)6x2 − 4x + 3 (D)
10.下列關於 的敘述何者錯誤?(A) 的值不為整數 (B)在數線上座標為 的點在 4 的左邊(C) (D) > 3.5A
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【題組】29. (A) mouth; ears; nose (B) mouth; eyes; neck(C) mouth; ears; neck (D) mouth; eyes; nose
【題組】30. (A) Wear a coat.(B) Wash your face.(C) Wash your hands.(D) Watch out for strangers.
【題組】31. (A) Mask on your face.(B) Move to a safe place.(C) Mind your own business.(D) Miss family an
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【題組】35. Why did Roman parents in the past make left-handed childrenuse their right hand?(A) Because