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多項式大挑戰

Authored by 陳俊友 陳俊友

Mathematics

10th - 12th Grade

Used 4+ times

多項式大挑戰
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問以下哪一個是多項式?

x2π\frac{x^2}{\pi}  

16−x2\sqrt[]{16-x^2}  

13x2−1\frac{13}{x^2-1}  

3x+x33^x+x^3  

x−2+3x4x^{-2}+3x^4  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知多項式 f(x)=4x5+7x2−5f\left(x\right)=4x^5+7x^2-5  ,則 f(x)f\left(x\right)  是幾次多項式?

五次

四次

三次

二次

一次

零次

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

設 f(x)=5x3+5x2−7x+13f\left(x\right)=5x^3+5x^2-7x+13  , g(x)=−5x3+7x−10g\left(x\right)=-5x^3+7x-10  ,則 f(x)+g(x)f\left(x\right)+g\left(x\right)  的次數是多少?

五次

四次

三次

二次

一次

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

設 deg⁡ f(x)=4\deg\ f\left(x\right)=4  , deg⁡ g(x)=5\deg\ g\left(x\right)=5  ,則 deg⁡ (f(x)⋅g(x))=\deg\ \left(f\left(x\right)\cdot g\left(x\right)\right)=  ?

2020  

99  

55  

44  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

設 deg⁡ f(x)=4\deg\ f\left(x\right)=4  , deg⁡ g(x)=5\deg\ g\left(x\right)=5  ,則 deg⁡ (f(x)+g(x))=\deg\ \left(f\left(x\right)+g\left(x\right)\right)=  ?

2020  

99  

55  

44  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

設 f(x)=3x2+5x−7f\left(x\right)=3x^2+5x-7  , g(x)=6x3+10x2−13x+7g\left(x\right)=6x^3+10x^2-13x+7  ,則 f(x)f\left(x\right)  除以 g(x)g\left(x\right)  的餘式為多少?

3x2+5x−73x^2+5x-7  

6x3+10x2−13x+76x^3+10x^2-13x+7  

x+7x+7  

x−7x-7  

−x+7-x+7  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

多項式 f(x)f\left(x\right)  除以 3x+23x+2  的餘式為何?

f(23)f\left(\frac{2}{3}\right)  

f(32)f\left(\frac{3}{2}\right)  

f(−2)f\left(-2\right)  

f(−23)f\left(-\frac{2}{3}\right)  

f(−32)f\left(-\frac{3}{2}\right)  

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