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Real or imaginary?

Exercise and reference answers

Items
  1. Item
    The a in a + ib
    Category
    Real
  2. Item
    Modulus of z
    Category
    Real
  3. Item
    Value of i squared
    Category
    Real
  4. Item
    The ib in a + ib
    Category
    Imaginary
  5. Item
    The symbol i
    Category
    Imaginary
  6. Item
    Root of minus four
    Category
    Imaginary
Categories
  1. Item
    Real
  2. Item
    Imaginary
Instructions
Tap a quantity, then tap what kind of number it is.

Explanation

_Source: syllabus Maths Ch4 Complex Numbers, COMPLEX NUMBERS AND_
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