Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Inequalities
hard
0:00.0
Solve:
x
2
+
1
<
0
x^2 + 1 < 0
x
2
+
1
<
0
A
No real solution
B
x
<
−
1
x < -1
x
<
−
1
C
All real numbers
D
x
=
i
x = i
x
=
i
Submit Answer