Question on: JAMB Mathematics - 2024
Solve for x in 8x-2 = 2/25
A
4
B
6
C
8
D
10
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Correct Option: D
Given 8x^{-2} = 2/25, rewrite as 8 / x^2 = 2 / 25. Cross-multiply:
8 * 25 = 2 * x^2 → 200 = 2x^2
Divide both sides by 2: x^2 = 100. Taking square root: x = 10
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