Trey, Amelia, and Cho are discussing the solution set to the equation x2+9=45.
Trey says the solution is {6}.
Amelia says the solution is {−6,6}.
Cho says the solution is {−6}.
Which person has found the correct solution set?
(1 point)
Responses
Cho
None of them are correct.
Trey
Amelia