Real or complex only

Exercise and reference answers

Questions

1. Answer

   Real

   Question

   The modulus of a complex number

   Choices

   1. Real
   2. Complex

2. Answer

   Complex

   Question

   The conjugate of a complex number

   Choices

   1. Complex
   2. Real

3. Answer

   Real

   Question

   Re z on its own

   Choices

   1. Real
   2. Complex

4. Answer

   Complex

   Question

   The additive inverse of z

   Choices

   1. Complex
   2. Real

5. Answer

   Real

   Question

   Im z on its own

   Choices

   1. Real
   2. Complex

6. Answer

   Complex

   Question

   The multiplicative inverse of z

   Choices

   1. Complex
   2. Real

Instructions

Pick the right one each time. Too many wrong picks and the tower falls.

Explanation