Question 8
Indices and LogarithmsIf 2log42 = x + 1, find the value of x.
- A.−2
- B.−1
- C.0
- D.1
Show the answer and explanation
Answer: C (0)
Explanation
log42 = 1/2 because 41/2 = 2. So 2 × 1/2 = 1 = x + 1, giving x = 0.
If 2log42 = x + 1, find the value of x.
Answer: C (0)
log42 = 1/2 because 41/2 = 2. So 2 × 1/2 = 1 = x + 1, giving x = 0.