What's the absolute value of each complex number?

Question

a. 7i

b. 12

c. -3-2i

Please show the work so I can understand this. Thank you!

Answer 1

The absolute value (or modulus) of a complex number a + bi is √(a²+b²)

a. a = 0, and b = 7

b. a = 12, and b = 0

c. a = -3, and b = -2

 

Can you calculate?