Question

Me ayudan con esos ejercicios

Answer 1

Negative numbers don't have real square roots since a square is either positive or 0, so i will have both the positive square root and the imaginary one that is the answer i believe.

Explanation:

A.
`√(-25)=5i\\√(25)=5`

B.
`√(-81)=9i\\√(81)=9\\`

C.
`√(-36)=6i\\√(36)=6`

D.
`√(-144)=12i\\√(144)=12`

E.
`\sqrt{-(1)/(4) } =(1)/(2) i\\\sqrt{(1)/(4) } =(1)/(2)`

F.
`√(-0.36)=0.6i\\√(0.36)=0.6`