Common Core HSN.CN.C.7 worksheet
High school · 16 questions · Common Core: HSN.CN.A.1, HSN.CN.A.2, HSN.CN.C.7
Name
Date
Score/ 16
Question 1
Multiply (−2 − 3i)(−3 + i). Write it as a + bi.
Answer
Question 2
Simplify i¹⁶.
- A. 1
- B. i
- C. −1
- D. −i
Question 3
Simplify (−5i) + (−8 + 9i). Write it as a + bi.
Answer
Question 4
Multiply (−4 − 2i)(−3 − 5i). Write it as a + bi.
Answer
Question 5
Simplify i²⁸.
- A. 1
- B. i
- C. −1
- D. −i
Question 6
Simplify (7 − 8i) + (−7 + 9i). Write it as a + bi.
Answer
Question 7
Multiply (−3 − 4i)(2 + i). Write it as a + bi.
Answer
Question 8
Simplify i⁶.
- A. 1
- B. i
- C. −1
- D. −i
Question 9
Simplify (−8 + 9i) − (7 − 5i). Write it as a + bi.
Answer
Question 10
Multiply (−5 + i)(4 + 4i). Write it as a + bi.
Answer
Question 11
Simplify i³⁷.
- A. 1
- B. i
- C. −1
- D. −i
Question 12
Simplify (−2 − 7i) − (5 − 4i). Write it as a + bi.
Answer
Question 13
Multiply (−1 + i)(3 − 5i). Write it as a + bi.
Answer
Question 14
Simplify i³⁶.
- A. 1
- B. i
- C. −1
- D. −i
Question 15
Simplify (−5 − 2i) − (2i). Write it as a + bi.
Answer
Question 16
Multiply (1 − 4i)(1 − i). Write it as a + bi.
Answer
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