下列哪一個對數運算性質錯誤?
11302遠距教學_對數_公式複習

Quiz
•
Mathematics
•
12th Grade
•
Easy
陳 品妍
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(A) logₐ1 = 0
(C) logₐ(x+y) = logₐx + logₐy
(D) logₐ(xy) = logₐx + logₐy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對數函數 y = logₐx (a>0, a≠1) 的圖形恆過哪一點?
(A) (1, 1)
(B) (0, 0)
(C) (0, 1)
(D) (1, 0)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當 a > 1 時,對數函數 y = logₐx 為何種函數?
(A) 遞減函數
(B) 遞增函數
(C) 常數函數
(D) 無法判斷
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 log₂8 的結果為?
(A) 2
(B) 3
(C) 4
(D) 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 log₃(1/9) 的結果為?
(A) -2
(B) -1
(C) 1
(D) 2
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