7400100086

Submitted by vladimir.arzt on Tue, 10/15/2024 - 13:14
Question: 
Let z be a complex number such that its real part is −3 and imaginary part is 0. Choose all complex numbers whose distance from z is less than 2.
Project ID: 
7400100086
SubArea: 
Complex numbers in algebraic and polar form
Answer 1: 
−4+i
Answer 1 Correct: 
1
Answer 2: 
−3+2i
Answer 2 Correct: 
0
Answer 3: 
−1.5
Answer 3 Correct: 
1
Answer 4: 
2+i
Answer 4 Correct: 
0
Answer 5: 
4−i
Answer 5 Correct: 
0
Answer 6: 
i
Answer 6 Correct: 
0
Answer 7: 
−32−12i
Answer 7 Correct: 
1
Answer 8 Correct: 
0