IB Mathematics Applications & Interpretation Topic AHL 1.12—complex Numbers Introduction (HL) covers syllabus content. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
Practice
What this topic covers
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