Question 14
Indices and LogarithmsEvaluate log0.25 8.
- A.3/2
- B.2/4
- C.2/3
- D.−3/2
Show the answer and explanation
Answer: D (−3/2)
Explanation
Let log0.25 8 = x, so (¼)x = 8, i.e. 2−2x = 2³. Then −2x = 3 and x = −3/2.
Evaluate log0.25 8.
Answer: D (−3/2)
Let log0.25 8 = x, so (¼)x = 8, i.e. 2−2x = 2³. Then −2x = 3 and x = −3/2.