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Common Core HSN.CN.A.1 worksheet

High school · 16 questions · Common Core: HSN.CN.A.1, HSN.CN.A.2, HSN.CN.C.7

Name

Date

Score/ 16

  1. Question 1

    Simplify (8i) + (2 − 6i). Write it as a + bi.

    Answer

  2. Question 2

    Simplify i⁴⁰.

    • A. 1
    • B. i
    • C. −1
    • D. −i
  3. Question 3

    Multiply (−3 + i)(−4 − i). Write it as a + bi.

    Answer

  4. Question 4

    Simplify (−9 + 6i) − (5 − 8i). Write it as a + bi.

    Answer

  5. Question 5

    Simplify i²¹.

    • A. 1
    • B. i
    • C. −1
    • D. −i
  6. Question 6

    Multiply (5 − 3i)(2 + 3i). Write it as a + bi.

    Answer

  7. Question 7

    Simplify (1 + i) + (−9 + 5i). Write it as a + bi.

    Answer

  8. Question 8

    Simplify i¹⁴.

    • A. 1
    • B. i
    • C. −1
    • D. −i
  9. Question 9

    Multiply (3 + 2i)(5 + 3i). Write it as a + bi.

    Answer

  10. Question 10

    Simplify (1 − 5i) + (9 − 4i). Write it as a + bi.

    Answer

  11. Question 11

    Simplify i²¹.

    • A. 1
    • B. i
    • C. −1
    • D. −i
  12. Question 12

    Multiply (5 + i)(3 + 3i). Write it as a + bi.

    Answer

  13. Question 13

    Simplify (−3 + 4i) − (−2i). Write it as a + bi.

    Answer

  14. Question 14

    Simplify i³⁴.

    • A. 1
    • B. i
    • C. −1
    • D. −i
  15. Question 15

    Multiply (−3 + 5i)(4 + 3i). Write it as a + bi.

    Answer

  16. Question 16

    Simplify (−1 + 9i) − (−3 + 2i). Write it as a + bi.

    Answer

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Answer key: Common Core HSN.CN.A.1 worksheet

  1. 1. 2+2i

  2. 2. A. 1

  3. 3. 13-i

  4. 4. -14+14i

  5. 5. B. i

  6. 6. 19+9i

  7. 7. -8+6i

  8. 8. C. −1

  9. 9. 9+19i

  10. 10. 10-9i

  11. 11. B. i

  12. 12. 12+18i

  13. 13. -3+6i

  14. 14. C. −1

  15. 15. -27+11i

  16. 16. 2+7i

HSN.CN.A.1 Worksheet: Complex numbers | Eurekami