
多項式的加減
Authored by 陳易 陳易
Mathematics
7th - 12th Grade
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者為x的多項式?
X2-3X+4=0
x2-|-x|-21
3x2- 2X
X2-3X+4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者為x的二次多項式?
22x+2
2x+2
½X2
3X2+4=0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者正確?
多項式-31不是x的多項式
零多項式的次數為0
½X-17不是多項式
多項式7的次數為0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知x的二次式-x2+6,請問下列敘述何者錯誤?
常數項為6
x2項係數為1
x項係數為0
它是按照降冪排列
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若f(x)=(2a-6)x3+|2b+4|x2+3x+4是一次多項式,則 a+b=?
0
1
2
3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當x=-3時,-3x2-⅓x +4之值等於多少 ?
86
-21
-22
-33
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設A=(a+2)x2+(b+3)x-15為零次多項式,則ab=?
2
3
-6
6
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