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Solve for the equation y to the second power = 81
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Solve for the equation y to the second power = 81

User Starteleport
by
5.1k points

2 Answers

3 votes

Answer:

9

Explanation:

9*9=81

User Sumit Bisht
by
4.7k points
5 votes

Answer:

y = -9 or y = 9

Explanation:


y^2=81\iff y=\pm√(81)\\\\y=-9\ or\ y=9\ because\ (-9)^2=81\ and\ 9^2=81

User DelegateX
by
5.5k points
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