Question

What is the magnitude of -3+ 4i?

Answer 1

The magnitude is 5.

Explanation:

(I’m going to be using r to represent the magnitude)

r^2= (-3)^2+4^2

r^2= 9+16

r^2= 25

r = 5

Answer 2

5

Explanation:

d² = (-3)² + 4²

d² = 9 + 16

d² = 25

d = 5