turkey-yks 2014 Q27

turkey-yks · Other · lys1-math Complex Numbers Arithmetic Modulus Computation
Let $z$ be a complex number and
$$z \cdot | \operatorname { Re } ( z ) | = - 4 + 3 i$$
Accordingly, what is $| \mathbf { z } |$?
A) $\frac { 5 } { 2 }$
B) $\frac { 7 } { 2 }$
C) $\frac { 9 } { 2 }$
D) $\frac { 8 } { 3 }$
E) $\frac { 10 } { 3 }$
Let $z$ be a complex number and

$$z \cdot | \operatorname { Re } ( z ) | = - 4 + 3 i$$

Accordingly, what is $| \mathbf { z } |$?\\
A) $\frac { 5 } { 2 }$\\
B) $\frac { 7 } { 2 }$\\
C) $\frac { 9 } { 2 }$\\
D) $\frac { 8 } { 3 }$\\
E) $\frac { 10 } { 3 }$