Hey guys, I was doing the practice problems in the problem-solving area and got this question wrong. I watched the video explaining it and it came to a conclusion that √4 = 2 which makes sense but my thinking was that it would be ±2, so I had 2 as my answer. Could someone please confirm whether to always take the square root as a positive for the gre

The number of solutions for x in the equation x + 2 =√(x + 8) is

a. None

b. 1

c. 2

d. 3

e. Infinite