
二次函數

Quiz
•
Mathematics
•
9th Grade
•
Hard
博愛國中葉宗慶 博愛國中葉宗慶
Used 1+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列各選項中的敘述,何者錯誤?
y=-3 是常數函數
y=2x+7 是線型函數
y=x 是一次函數
y=2x2-5 是線型函數
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
已知線型函數 y=f(x)=ax+b 的圖形通過點(-3 , 7),且垂直 y 軸,則 f(3)+f(-3)=?
0
7
14
28
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
一次函數 y=f(x)=ax+b 的圖形如圖所示,則下列何者正確?
a>0,b>0
a>0,b<0
a<0,b<0
a<0,b>0
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
設一次函數 y=ax+b 的圖形通過(-2 , 1),且與直線
-5x+2y-7=0 平行,則 2a+b=?
10
11
12
13
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
圖片中的人物名子是?
坂本大熊
野呂大雄
野比大雄
木村大雄
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
坐標平面上,若有一線型函數的圖形通過(-3 , 4)和
(2 , -5)兩點,則此函數的圖形不通過哪一個象限?
一
二
三
四
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個不是函數 y=f(x)的圖形?
8.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
已知 f(x)為一次函數,若 f(-3)=9,f(9)=5,則 f(15)=?
2
3
4
5
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若點(2,3)在線型函數 y=ax+2 的圖形上,則 a=?
-1/2
1/2
1
-1
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