How do you create a restriction for √z + 8=13 ?

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asked May 1, 2017 115k views

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Computer · Answer 1 · 2017-05-08T04:25:24+0000

√z = 13 - 8
√z = 5
z = 5²
z = 25
In this case the z can be any number, however z cannot be less than 0 and that is the restriction. (for example; √-1 = irrational number, cannot be solved.)

How do you create a restriction for √z + 8=13 ?

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