致用高中料二乙練習卷_111_1_1

Quiz
•
Mathematics
•
11th Grade
•
Hard
賴珍寧 賴珍寧
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
23
28
33
38
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
(9,44)
(-9,44)
Answer explanation
若a,b,c三數為等比數列,則稱b為a與c的等比中項(幾何平均數)。
若 a 、 b、 c 三數成等差數列,則中間項 b 稱為 a和 c 的等差中項。
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
1093
1094
3280
3281
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
若等差數列的第10項為57,第25項為-3,則公差為
-2
-4
-6
-8
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
有一份數學試卷,共23題,總分100分。其中單選題每題5分有8題,填充題每題4分有15題。若小騰單選題答對x題,填充題答對y題,共答對15題,得到65分,請問他單選題答對幾題?23
4
5
6
8
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
下列方程組中,何者的幾何意義是兩直線平行?
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