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二次函數

Authored by 博愛國中葉宗慶 博愛國中葉宗慶

Mathematics

9th Grade

Used 1+ times

二次函數
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9 questions

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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

Media Image

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

Media Image

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?

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個不是函數 y=f(x)的圖形?

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