Asked by jj

Question content area left
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