

無題課
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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