AHL 1.12—Complex numbers introduction Exercises

Question Type 1: Plotting complex numbers on an Argand diagram

Question Type 2: Working with conjugate of complex numbers

Question Type 3: For a given complex number, finding the modulus

Question Type 4: For a given complex number, determining the quadrant and finding the argument

Question Type 5: Performing addition and subtraction on complex numbers

Question Type 6: Performing multiplication and division on complex numbers

Question Type 7: Determining the number of real roots for a given real quadratic

Question Type 8: Finding the roots for real quadratics using the formula