SOLUTION: Solve for y: y^-1/2=1/3 1. 3 2. Rad 3 3. 9 4. 27

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Question 1012119: Solve for y: y^-1/2=1/3
1. 3
2. Rad 3
3. 9
4. 27
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for y: y^-1/2 = 1/3
note that y^-1/2 = 1 / y^1/2, therefore
1 / y^1/2 = 1 / 3
cross multiply fractions
y^1/2 = 3
square both sides of =
y = 9
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answer is 3. (y = 9)