Question

If the sum of 4-2i and -7-8i were plotted in the complex plane, the result would fall in what quadrant?

Answer 1

I found that the sum falls in the third quadrant.

Explanation:

Let us add the two:
`z_1+z_2=(4-2i)+(-7-8i)=(4-7)+(-2-8)i=-3-10i`

Third quadrant.