Test 15
1.
\(z_1=4-2i\)
\(z_2=1-8i\)
\(\Rightarrow|z_1-z_2|=?\)
A) \(10\)B) \(3\sqrt5\)C) \(6\)D) \(5\)E) \(2\sqrt5\)
2.
\(z_1=8-4i\)
\(z_2=2+4i\)
\(\Rightarrow|z_1-z_2|=?\)
A) \(10\)B) \(8\)C) \(5\sqrt2\)D) \(6\)E) \(5\)
3.
\(A=\{z\mid\operatorname{Re}(z)>3,\ z\in\mathbb C\}\)
Which graph represents the set A?
A) B) C) D) E)
4.
\(|z-i|=|z-1|\)
Which graph represents the equation?
A) B) C) D) E)
5.
\(|z-i|>|z|\)
Which graph represents the inequality?
A) B) C) D) E)