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?

第二學期第一次段考數學科試題

Quiz
•
Mathematics
•
6th Grade
•
Easy
義文 黃
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
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
Evaluate responses using AI:
OFF
3.
MULTIPLE CHOICE QUESTION
30 sec • 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、y的關係?
(A)
(B)
(C)
(D)
4.
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
5.
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
6.
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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
則下列何者可能為該活動的標語?
原價打八折再加1 元
原價減 1 元再打八折
原價打八折再減 1 元
原價加 1 元再打八折
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