Question 23
IndicesIf (27x × 31−x)/92x = 1, what is the value of x?
- A.1
- B.−1
- C.1/2
- D.−1/2
Show the answer and explanation
Answer: C (1/2)
Explanation
3^(3x + 1 − x − 4x) = 3⁰, so 1 − 2x = 0 and x = 1/2.
If (27x × 31−x)/92x = 1, what is the value of x?
Answer: C (1/2)
3^(3x + 1 − x − 4x) = 3⁰, so 1 − 2x = 0 and x = 1/2.