Question 23
IndicesFind x from the equation 273x + 1/2 = 95x − 1/4
- A.3/4
- B.2
- C.4
- D.1/2
Show the answer and explanation
Answer: B (2)
Explanation
Write both as powers of 3: 3^(9x + 3/2) = 3^(10x − 1/2), so 9x + 3/2 = 10x − 1/2 and x = 2.
Find x from the equation 273x + 1/2 = 95x − 1/4
Answer: B (2)
Write both as powers of 3: 3^(9x + 3/2) = 3^(10x − 1/2), so 9x + 3/2 = 10x − 1/2 and x = 2.