
第四冊2-1拋物線
Authored by 游佳穆 游佳穆
Mathematics
10th - 12th Grade
Used 81+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拋物線 的敘述,何者不真?
頂點(0 , - 3)
正焦弦長4
焦點(0 , - 1)
對稱軸為y軸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拋物線x2 = - 6y,下列何者不正確?
焦點為
準線為
對稱軸為
正焦弦長為6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關拋物線y2 = - 24x的敘述何者錯誤?
焦點坐標為( - 6 , 0)
對稱軸方程式為y = 0
正焦弦長為24
開口向下
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知拋物線方程式(y - 5)2 = - 4(x + 2),其頂點坐標為
(2 , - 5)
( - 2 , 5)
(1 , - 5)
( - 3 , 5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(y - 5)2 = - 4(x + 2),此拋物線的
對稱軸方程式為
x + 1 = 0
x + 2 = 0
y - 4 = 0
y - 5 = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拋物線 的
焦點坐標為
(2 , 1)
(2 , 2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若4x2 = y,則下列何者錯誤?
頂點(0,0)
拋物線開口向上
焦點(0,1)
對稱軸為x = 0
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