I got -1.
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an imaginary number is imaginary so no (i guess) this answer kind of sucks
If a number is pure imaginary then it has no real component. If it is a real number, then there is no imaginary component. If it has both real and imaginary components, then it is a complex number.
-125 is NOT an imaginary number.
An imaginary number is a number that has the square root of -1 as one of its factors.
A pure imaginary number is a complex number that has 0 for its real part, such as 0+7i.