lilkriss5 lilkriss5

25-08-2020
Mathematics

contestada

How many solutions are there to the equation below?
x² = 9
A. O
B. 4
C. 9
D. 1
E. 2

Respuesta :

eunice1234 eunice1234

25-08-2020

Answer: E. 2

Step-by-step explanation:

x²=9

x=±3 ⇔ since it is square (any value after square will always be positive), the value can be negative or positive.

There are 2 solutions: 3 and -3

Hope this helps!! :)

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