If x\(^2\) + 4 = 0, then x ?
A
4
B
-4
C
2
D
-2
E
None of the above
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
x\(^2\) + 4 = 0
x\(^2\) = -4
You can't apply a square root to a negative number. So the answer is None of the above.
Source: WAEC / JAMB / NECO Classroom Archive (Record #32692)