
十字交乘法(係數為1)
Authored by 洪銘凰 洪銘凰
Mathematics
8th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2+5x+4
(x - 1)(x - 4)
(x+1)(x+4)
(x+2)(x+2)
(x - 2)(x - 2)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2+11x+10
(x - 2)(x - 5)
(x+2)(x+5)
(x+1)(x+10)
(x - 1)(x - 10)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2+11x+18
(x+2)(x+9)
(x+3)(x+6)
(x+1)(x+18)
(x - 3)(x - 6)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2+12x+35
(x - 1)(x - 35)
(x - 5)(x - 7)
(x+1)(x+35)
(x+5)(x+7)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2+15x+36
(x+3)(x+12)
(x+4)(x+9)
(x+6)(x+6)
(x+8)(x+4)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2-17x+70
(x-2)(x-35)
(x-5)(x-14)
(x-7)(x-10)
(x + 10)(x-7)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
因式分解x2-16x+48
(x-8)(x-6)
(x-4)(x-12)
(x-3)(x-16)
(x-2)(x-24)
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