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Marizza181 [45]
3 years ago
7

Why do i need the ± sign before the answer? my teacher said it needed to be there but i'm not sure why it has to be or when to u

se it. can someone pls explain why i need the ± sign? thank u sm
i attached the work i did for the problem, the equation was y = 2/3x^2-5 and i had to find the inverse of it​

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
4 0

Answer:

THe reason u need the ±  is so that way u know that it is both neg and positive also it helps the teacher grade the work.

Hopefully this helps u out if u need more help pls feel free to text me back

Step-by-step explanation:

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