下列y關於x的函數中, 一定是二次函數的是
初三校運會練習

Quiz
•
Mathematics
•
9th Grade
•
Medium
蔡靖晴蔡靖晴 蔡靖晴蔡靖晴
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14 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
±2
2
-2
±1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若二次函數的圖像與x軸相交於點(-3,0)和(5,0), 則它的對稱軸是直線
x=2
x=1
x=-1
x=0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4
5
6
7
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