Question

HELP PLS ! ! ! What is |1 − 8i|? A) √-65 B) 65 C) √65 D) √13

Answer 1

I’m pretty sure it’s C

Answer 2

Answer:

C) SQRT(65)

Step-by-step explanation:

the magnitude of 1-8i is given by the following:

sqrt(a^2+b^2)  

sqrt(1^2+8^2)

=sqrt(1+64)

=sqrt(65)