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Complex numbers — Homework
Simplify every i^2 to -1 as you go.
- 1.Simplify: (7-3i)+(-2+8i).
- 2.Simplify: (2+3i)(1-4i).
- 3.Solve x^2+16=0.
- 4.Solve x^2-6x+13=0 using the quadratic formula, giving complex solutions.
- 5.Explain why every negative number has exactly two square roots in the complex numbers, using -25 as an example.
🌲 Homeschool of the FutureEleventh Grade · Math · week 12 homework