Question

Which of these statements are correct? Select three that apply.
A.
A solution to the equation
x
2
=
4
is
x
=
16
.

B.
A solution to the equation
x
2
=
64
is
x
=
4
.

C.
A solution to the equation
x
2
=
81
is
x
=
9
.

D.
A solution to the equation
x
3
=
8
is
x
=
24
.

E.
A solution to the equation
x
3
=
125
is
x
=
5
.

F.
A solution to the equation
x
3
=
216
is
x
=
6
.

Answer 1

Correct answers: C, E, F.

Reason:
- C: 9^2 = 81, so x = 9 is a solution.
- E: 5^3 = 125, so x = 5 is a solution.
- F: 6^3 = 216, so x = 6 is a solution.

(A, B, D are false when you substitute the given x values.)