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20 questions and an answer page, sized for A4.

Add and subtract complex numbers

Year 11 · Counting & Number · 20 questions

Name
Date
  1. 1.
    Simplify: (-3-4i) − (2i)
  2. 2.
    Simplify: (-4-6i) − (-5i)
  3. 3.
    Simplify: (-4+5i) − (4+i)
  4. 4.
    Simplify: (-2+i) − (6-i)
  5. 5.
    Simplify: (-6i) − (4+5i)
  6. 6.
    Simplify: (2-5i) + (4-2i)
  7. 7.
    Simplify: (-4-6i) − (6-5i)
  8. 8.
    Simplify: (-3i) − (1+4i)
  9. 9.
    Simplify: (3+2i) + (-1-3i)
  10. 10.
    Simplify: (4-i) − (-3+6i)
  11. 11.
    Simplify: (4i) + (6-5i)
  12. 12.
    Simplify: (-1-3i) + (5-5i)
  13. 13.
    Simplify: (4+3i) + (6-5i)
  14. 14.
    Simplify: (-1+5i) + (3-3i)
  15. 15.
    Simplify: (-1-4i) − (-2-2i)
  16. 16.
    Simplify: (-3+5i) − (-6+6i)
  17. 17.
    Simplify: (-5-5i) − (-4-i)
  18. 18.
    Simplify: (6+i) + (-2+3i)
  19. 19.
    Simplify: (5+3i) + (5-3i)
  20. 20.
    Simplify: (4+4i) + (-3-5i)

Free maths worksheets and practice: rocketdigits.com/learn/add-and-subtract-complex-numbers

Answers: Add and subtract complex numbers

  1. -3-6i
  2. -4-i
  3. -8+4i
  4. -8+2i
  5. -4-11i
  6. 6-7i
  7. -10-i
  8. -1-7i
  9. 2-i
  10. 7-7i
  11. 6-i
  12. 4-8i
  13. 10-2i
  14. 2+2i
  15. 1-2i
  16. 3-i
  17. -1-4i
  18. 4+4i
  19. 10
  20. 1-i

Free maths worksheets and practice: rocketdigits.com/learn/add-and-subtract-complex-numbers

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