Question

1.
Find the solution to x2 = 121.


A. ±121
B. -11
C. ±11
D. 11

Answer 1

which number squared give you 121?

Answer 2

hint, there are two of them
one is positive, the other negative

Answer 3

11

Answer 4

there is another one, \(-11\) since \((-11)^2=(-11)\times (-11)=121\) too

Answer 5

C. ±11

Answer 6

yes, it is always C

Answer 7

it can be both positive and negative @satellite73