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二元一次不等式 圖形判斷

Authored by Chen小伊 Chen小伊

Mathematics

11th Grade

Used 8+ times

二元一次不等式 圖形判斷
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6 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

哪一個是不等式 3x+2y<63x+2y<6 的圖解? 

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2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

哪一個是不等式 2xy+202x-y+2\ge0  

的圖解? 

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3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個是二元一次聯立不等式 x+2y-2\ge0  xy<1x-y<-1       的圖形?

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4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

問:二元一次聯立不等式
 y\ge-2  x+y4x+y\le4  2xy>42x-y>-4     所圍成的區域面積?

27

54

36

18

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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如圖,試問藍色陰影區域是哪一組二元一次不等式的圖形?

x+y3x+y\le3 x2y4x-2y\ge-4

x+y4x+y\le4 xy+20x-y+2\ge0

x+y3x+y\ge3 xy+20x-y+2\le0

x+y4x+y\le4 x2y4x-2y\ge-4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

將二元一次聯立不等式 x0x\ge0  y0y\ge0  2x+y62x+y\le6 ,    x+y2x+y\ge2 畫出來,求此解區域內有多少個格子點? 

13

6

9

12

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