Students continue to explore linearity by looking at common student mistakes. In Lesson 1, students explored polynomials and radical equations. Lesson 2 extends this exploration to trigonometric, rational, and logarithmic functions.
The last exercise in this lesson, Exercise 4, has no real solutions, leading to the discovery of complex solutions, and this launches the study of complex numbers. This study includes operations on complex numbers as well as using the conjugates to find moduli and quotients.
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