ACT Math · Number & Quantity
Complex numbers practice questions
Each free question on this page comes with its answer and a full explanation.
- Question 2What is i^47?
- Question 5What is the product (3+2i)(1-4i)?
- Question 42What is (4-3i)/(2+i)?
- Question 87What is |3 - 4i|?
- Question 88What are the solutions to x² = -49?
- Question 130What is (2+5i) + (7-3i)?
- Question 217What is i^13 × i^22?
- Question 218What is (6+2i)/(i)?