Question 3
Indices and LogarithmsIf log93 + 2x = 1, find x.
- A.−1/2
- B.−1/4
- C.1/4
- D.1/2
Show the answer and explanation
Answer: C (1/4)
Explanation
log93 = ½ because 9½ = 3. So ½ + 2x = 1, 2x = ½ and x = ¼.
If log93 + 2x = 1, find x.
Answer: C (1/4)
log93 = ½ because 9½ = 3. So ½ + 2x = 1, 2x = ½ and x = ¼.