If log 2 (3x - 1) = 5, find x.
MATHEMATICS
WAEC 2016
If log2(3x - 1) = 5, find x.
- A. 2.00
- B. 3.67
- C. 8.67
- D. 11
Correct Answer: D. 11
Explanation
Log2(3x - 1) = 5
Log2(3x - 1) = Log225
Log2(3x - 1) = Log232
3x - 1 = 32
3x = 32 + 1 = 33
x = \(\frac{33}{3}\)
= 11
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *