Dr. Kat Math Practice

Add and Subtract with i

Complex Book 4, Lesson Page 1, Section 4

What you'll work on

Add and subtract imaginary numbers by combining their coefficients, resolving double negatives first, and keeping the imaginary unit i unchanged.

To add or subtract imaginary numbers, combine the coefficients and keep the i. Double negatives turn positive before you combine like terms.

5 questions · pace yourself · explanations on every answer

Just a moment…