
數學選擇題

Quiz
•
Mathematics
•
2nd Grade
•
Hard
楊蕙禎 楊蕙禎
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列敘述哪些是正確的?甲:81的平方根為±9 乙:-6是-36的一個平方根 丙:0的平方根為0 丁:4 2 =16,所以4是16的一個平方根
甲、乙
甲、丙
丙、丁
乙、丁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小於(-10.2)2的最大整數是多少?
105
104
-105
-104
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-x+y)2與下列何者相等?
(x-y)2
-(x-y)2
-x2+y2
x2-y2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
展開(-a+3)(b-5)後,可得下列何者?
-5a+3b-ab-15
5a-3b-ab-15
5a+3b-ab-15
5a+3b+ab-15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若多項式8x2-7的二次項係數是a,一次項係數是b,常數項是c,則a+b-c=?
1
7
-7
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若A為二次多項式,B為零次多項式,則3A-2B為幾次多項式?
零次
一次
二次
三次
7.
OPEN ENDED QUESTION
3 mins • 1 pt
若-3為3a+b+1的負平方根,且a+2b+3的平方根為±
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