
國中數學選擇題
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
紘軒 張
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24 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列何者不能因式分解?
x2-1
x2+4x
2x2+3x+1
x2+x+1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
利用提公因式的方式將(6x-8)2+3x(4-3x)因式分解,則其結果為下列何者?
(4-3x)(9x-16)
(3x-4)(9x+16)
(3x-4)(4-3x)
(3x-4)(9x-16)
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
求(585+285)2-4×585×285 的值為何?
80000
90000
68875
76455
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
利用除法判別下列各式中,哪一個不是多項式 x3-6x2+11x-6 的因式?
x-4
x-3
x-2
x-1
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
因式分解 x4-5x2+4 的結果為下列何者?
(x-1)2(x+2)2
(x-1)2(x-2)2
(x-1)(x+1)(x-2)(x+2)
(x-1)(x-2)(x-3)(x-4)
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列何者不是(x+3)(x-2)-(x-2)的因式?
x+2
x-2
x2-4
x+3
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列各式中,有幾個式子為-x2+1 的因式?
x2+1
x+1
-x-1
3x-3
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