因式分解 (x−5)(x−6)−72=?

數學問題測驗

Quiz
•
Mathematics
•
8th Grade
•
Hard
羅 紹文
Used 2+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x+3)(x+14)
(x+3)(x−14)
(x−9)(x+8)
(x+9)(x−8)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化簡 (5x−4−6x²)−(−2x²+2+5x)=ax²+bx+c,則 a+b+c=?
-14
-10
0
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 0 為一元二次方程式 2x²−5mx+(m−2)=0 之根,則 m=?
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 3x²+8x−a=(3x+2)(x+2),則 a=?
-4
-2
2
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個式子是不正確的?
√3x√4=2√3
(-√2)×(-√2)=4
√18 = 3√2
√24÷√6=2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
√124 的整數部分為何?
11
12
13
14
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
-1
2
-2
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