darrienthrasher darrienthrasher

24-01-2017
Mathematics

contestada

Edna says that when (x - 2)2 = 9, that x - 2 = 3. Use complete sentences to explain whether Edna is correct. Use specific details in your explanation.

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apologiabiology apologiabiology

24-01-2017

(x-2)²=9
sqrt both sides
don't forget positive and negative roots
x-2=+/-3

well, she is partially correct
x-2=3 is one answer
she didn't remember the other one the x-2=-3

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blairsmith422 blairsmith422

26-01-2021

Answer:

She is correct because taking the sqrt on both sides would give us x-2=3

Step-by-step explanation:

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