Question 3
IndicesSolve: 2√(2x + 1) = 32.
- A.13
- B.24
- C.12
- D.11
Show the answer and explanation
Answer: C (12)
Explanation
32 = 25, so √(2x + 1) = 5. Squaring, 2x + 1 = 25 and x = 12.
Solve: 2√(2x + 1) = 32.
Answer: C (12)
32 = 25, so √(2x + 1) = 5. Squaring, 2x + 1 = 25 and x = 12.