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線性規劃

Authored by CHAN FONG

Mathematics

12th Grade

Used 11+ times

線性規劃
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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圖中的陰影區域表示下列哪一組不等式的解?

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2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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下列哪一組不等式的解可用圖中的陰影區域表示?

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3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  xy2 下列哪個陰影區域可表示\ x\le y-2\ 的解?    的解?

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4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  yx9 下列哪個陰影區域可表示\ y\le x-9\ 的解?  

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5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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,AB 及 BC 的方程分別為  x+3y=18 \ x+3y=18\  及  2x+y=162x+y=16   。若 ( x , y ) 為陰影區域 OABC
 (包括邊界在內) 中的一點,則  3xy+163x-y+16    的最大值為

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70

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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圖中,PQ 及 QR 的方程分別為   3x+y=363x+y=36  

及  x+y=20x+y=20 若 ( x , y )  為陰影區域 OPQR
 (包括邊界在內) 中的一點,則  2x3y+1802x-3y+180 的最小值為

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120

160

204

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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圖中,O 為原點。AB 的方程為  2x+y8=02x+y-8=0   

 而 BC 的方程為  2x+3y12=02x+3y-12=0 
若 ( x , y ) 為陰影區域  OABC (包括邊界在內) 中的一點,則   x+3y+4x+3y+4 的最大值為

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16

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