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多項式(陳軒)

Authored by 蔡 丞軒

Mathematics

8th Grade

Used 4+ times

多項式(陳軒)
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

請問關於 x5+4x32x+1-x^5+4x^3-2x+1  下列敘述何者正確?

常數項為1

一次項係數為2

三次項係數為4

五次項係數為1

四次項係數為0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列多項式何者為降冪排列?

9x+8x24x5+2x319x+8x^2-4x^5+2x^3-1

2+x23x4+5x62+x^2-3x^4+5x^6

2x+82x+8

2+3x+5x2+7x42+3x+5x^2+7x^4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問( 3x28x43x^2-8x-4 )−( x24x+3x^2-4x+3 )一次項係數為何?

2

4

-7

-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問( 2x+3x282x+3x^2-8 )−( 6x8x2+76x-8x^2+7 )二次項為何?

-4

11

-15

-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a3)x3b+5x2+ax+b\left(a-3\right)x^3+(b+5)x^2+ax+b  為一次多項式,且a、b皆為常數,請問ab為何?


-15

15

0

-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若兩多項式皆為四次多項式,請問下列敘述何者正確?

相加必為四次多項式

相減必為四次多項式

相加可能為八次多項式

相減可能為三次多項式

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若兩多項式分別為四次多項式與三次多項式,請問下列敘述何者正確?

相乘為十二次多項式

相乘為四次多項式

相乘為七次多項式

相乘為零次多項式

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