Question

If a= -2+4i and b=3-2i, in which quadrant does the graph of (a-b) lie?

Answer 1

2nd quadrant

Explanation:

a - b = - 2 + 4i - (3 - 2i ) = - 2 - 3 + 4i + 2i = - 5 + 6i

(-5 , 6 ) is a point in the 2nd quadrant