# Which one of the following is not true?

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A. log2 8 = 3

B. log2 1 = 0

C. log2 2 = 1

D. log2 1/8 = -3

E. log2 (-1) = 1/2

A. log2 8 = 3

B. log2 1 = 0

C. log2 2 = 1

D. log2 1/8 = -3

E. log2 (-1) = 1/2

##### 1 Answer

The answer is E.

#### Explanation:

Log of a negative number is undefined,

Hence

The answer is E.

Other explanation: