Review — Difficulty 10/10

Algebra II · Honors · Complex numbers (intro)

Review skills for this standard. Write answers where shown.

Together with a parent

1. (16 + 2i) + (14 − 5i) = ___ 2. (15i)(−2i) = ___ 3. Plot 15 − 4i on the complex plane. ___

Written review

1. (18 + 2i) + (16 − 5i) = ___ 2. (17i)(−1i) = ___ 3. Plot 17 − 4i on the complex plane. ___ 4. Multiply: (16 + i)(16 − i) = ___ 5. Solve x² + 19 = 0 in ℂ: x = ___ 6. Real part ___ , imaginary part ___

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Skills checklist

• [ ] Adds, subtracts, and multiplies complex numbers
• [ ] Uses i² = −1 correctly
• [ ] Plots complex numbers in the plane
• [ ] Explains Complex numbers (intro) without prompts

___________________________ ___________________________ ___________________________ ___________________________