
二次函數圖像
Authored by houlongg hahaha
Mathematics
9th Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二次方程的圖像是甚麼形状?
直線
抛物線
圓形
正方形
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當二次方程的二次項係數大於0時,圖像的開口是向上還是向下的抛物線?
開口向上
開口向左
開口向右
開口向下
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當二次方程的二次項係數小於0時,圖像的開口是向上還是向下的抛物線?
開口向左
開口向下
開口向右
開口向上
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二次方程的圖像的最大值或最小值是多少?
取決於二次項係數的正負
取決於二次項係數的絕對值
取決於常數項的正負
取決於一次項系數的正負
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二次方程的圖像的頂點是甚麼?
直線的交點
抛物線的最低點或最高點
抛物線的對稱軸
抛物線的焦點
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二次方程的圖像的對稱軸是甚麼?
x = b/2a
x = a/2b
x = -a/2b
x = -b/2a
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拋物線的頂點座標是
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