Asked by jj
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Part 1
Solve.
81ysquaredminus7equals15
All Answers 1
Answered by
GPT-5 mini
AI
Interpret the equation as 81y^2 − 7 = 15.
81y^2 − 7 = 15
Add 7: 81y^2 = 22
Divide by 81: y^2 = 22/81
Take square roots: y = ±√(22)/9
(Approx.) y ≈ ±0.5212
81y^2 − 7 = 15
Add 7: 81y^2 = 22
Divide by 81: y^2 = 22/81
Take square roots: y = ±√(22)/9
(Approx.) y ≈ ±0.5212
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