瘋狂算數學-認識多項式與多項式的加減

瘋狂算數學-認識多項式與多項式的加減

8th Grade

10 Qs

quiz-placeholder

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瘋狂算數學-認識多項式與多項式的加減

瘋狂算數學-認識多項式與多項式的加減

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Alanis 0622

Used 20+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A為一次多項式,B為三次多項式,則AB為幾次多項式?

四次

三次

二次

一次

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A為二次多項式,B為三次多項式,則2AB為幾次多項式?

四次

三次

二次

一次

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x + 5) + (2x + 7)

3x + 12

2x2 + 35

2x2 + 12x + 35

3x + 57

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(x2+5) + (x-2)

x2-2

x2+x+3

x2-x+3

x2+2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(3x2+5x-2) + (9x2-3)

12x2+5x-5

12x2-5x-5

12x2+5x+5

-3x2+5x-5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(x2+6x-3) - (8x2+6x-9)

9x2+x-1

6x2-x

7x2

-7x2+6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列何者為x的多項式?

x2+2x\sqrt{x^2+2x}

x x5 \frac{x}{\ \ x-5\ \ }

x+3\left|x+3\right|

5\sqrt{5}

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