QUESTION $4$

Without calculations, determine which quadrant the complex number $z=-2+3j$ lies in$.$

A$.$ The $1$st quadrant

B$.$ The $2$ nd quadrant

C$.$ The $3$rd quadrant

D$.$ The $4$ th quadrant

QUESTION $5$

Given a complex number $z=2j,$ is it on the real axis, on the imaginary axis, or in one of the quadrants?

A$.$ on the horizontal real axis

B$.$ on the vertical imaginary axis

C$.$ in the $1$ st quadrant

$D.$ in the $2$ nd quadrant

$E.$ in the $3$rd quadrant

$F.$ in the $4$ th quadrant