SOLUTION: Please help me figure this out - step-by-step. 4y^-1/2 = 16 Thanks.

Question 149444: Please help me figure this out - step-by-step.
4y^-1/2 = 16
Thanks.
Found 2 solutions by Fombitz, jim_thompson5910:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Divide both sides by 4.
Simplify.
Use the identity
Also, use to simplify.

Multiply both sides by

Divide both sides by 4.
Square both sides.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Rewrite as

Multiply both sides by

Divide both sides by 16.

Reduce.

Rearrange the equation.

Convert from rational notation to radical notation.

Square both sides.

Square to get

So the answer is
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