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What's on the worksheet
- Add or subtract.
- Multiply.4i(-2 + 3i)(6i)(-4i)(5 + i)(2 + 3i)(-3 + 2i)(4 - 5i)\sqrt{-4}\,\left(3 - \sqrt{-9}\right)
- Write each square or power in standard form.(4 + i)^2(2i - 3)^2\left(\sqrt{3} + i\right)^2(1 - i)^4
- Each student made one mistake.
- Find the complex number z for which 2z - (3 - i) = i(5 + 7i).
- Let $f
- Let z = 2 + 3i and w = 1 - i.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Adding, subtracting and multiplying complex numbers: the lesson ›More Chapter 9 worksheets: Polar coordinates and complex numbers in polar form
- 9.1Adding, subtracting and multiplying complex numbers
- 9.2Plotting polar points
- 9.3Converting between polar and rectangular
- 9.4Converting an equation between the two systems
- 9.5Polar circles and symmetry tests
- 9.6Limacons and cardioids
- 9.7Rose curves
- 9.8The complex plane, modulus and argument
- 9.9Modulus, argument and polar form
- 9.10Multiplying, powers and De Moivre's theorem
- 9.11Roots of a complex number and roots of unity