Question 13
IndicesIf 8x+1 = 1/4, find x.
- A.−5/3
- B.−1
- C.−1/3
- D.1/3
Show the answer and explanation
Answer: A (−5/3)
Explanation
Write both as powers of 2: 23(x+1) = 2−2, so 3x + 3 = −2 and x = −5/3.
If 8x+1 = 1/4, find x.
Answer: A (−5/3)
Write both as powers of 2: 23(x+1) = 2−2, so 3x + 3 = −2 and x = −5/3.