
第二學期第一次段考數學科試題
Authored by 義文 黃
Mathematics
8th Grade

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26 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
若y是x的函數,則下列敘述何者一定正確?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
已知一次函數y=ax+b,若y的值隨著x值的增大而減小,且ab<0,則在坐標平面上,下列何者可能是此函數的圖形?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
有一座水池內部呈長方體,水深為500公分。劉均想要將水池內的水,以每30分鐘下降40公分的速率,等速放水5小時。若經過X分鐘後,水深為y公分,則下列哪一個圖形可以表示式x
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是線型函數?
y=2/3
y=(x-3)/4
y=1/x
y=5-x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,設直線 L 為函數 y=ax+b 的圖形,請問 當x=0時的函數值是多少?
60
65
80
70
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
等差級數(-29)+(-25)+(-21)+......加到第幾項時,其和為最小?
第8項
第9項
第10項
第11項
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當x=5時,一次函數y=2x+k與y=3kx-4的值相同,則此時的k值和y值分別為何?
1,11
-1,9
5,11
3,3
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