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

Question

asked Oct 10, 2021 163k views

1 Answer

Jake Long · Answer 1 · 2021-10-15T02:34:22+0000

Answer: E. 2

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!! :)