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無題課

無題課

Assessment

Interactive Video

Education

9th - 12th Grade

Hard

Used 1+ times

FREE Resource

5 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

什麼是多項式?

包含變數和係數的式子,且只運用加法、減法和乘法。

包含變數和係數的式子,且可運用加法、減法、乘法和除法。

變數出現在分母或絕對值中的式子。

任何包含數字和字母的數學表達式。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪個式子不是多項式?

3x² - 2x + 1

a² - 2ab + b²

1/(x² + 2x - 3)

2x² - 3x + 5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

多項式 3x² - 2x + 1 包含哪些項?

3x², 2x, 1

3x², -2x, 1

3x², -2x

3x², 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在多項式 3x² - 2x + 1 中,一次項的係數是多少?

3

-2

1

0

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