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多項式的加減

Authored by 陳易 陳易

Mathematics

7th - 12th Grade

Used 9+ times

多項式的加減
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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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