Answer
The complex number is $2+i$, which is represented by the Blue line.
Conjugate is $2-i$, which is represented by the Red line.
Opposite is $-2-i$, which is represented by the Black line.
Work Step by Step
The complex number is $2+i$, which is represented by the Blue line.
Conjugate is $2-i$, which is represented by the Red line.
Opposite is $-2-i$, which is represented by the Black line.