Question

What is true about the complex number -5+5i? Check all that apply.

Answer 1

I think "C. it lies it quadrant 2" is one of the answers.

Answer 2

hint:
the modulus ofyour number, is:
\[\sqrt {{{\left( {\Re z} \right)}^2} + {{\left( {\Im z} \right)}^2}} = \sqrt {{5^2} + {5^2}} = ...?\]

Answer 3

furthermore:

Answer 4

@Michele_Laino square root 5^2+5^2 = 5 square root 2 which would make the answer B. and C. right?

Answer 5

That's right!

Answer 6

Thank you!

Answer 7

Thank you!