Precalculus and Advanced Topics Module 3, Topic A, Lesson 3

Girl's Graduation Day

Student Outcomes

  • Students determine the complex roots of polynomial equations of the form xn = 1 and, more generally, equations of the form xn = k positive integers n and positive real numbers k.
  • Students plot the nth roots of unity in the complex plane.

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Common Core Learning Standards

CCLS State Standard
N.CN.8 (+) Extend polynomial identities to the complex numbers. For example, rewrite x2 + 4 as (x + 2i)(x...
N.CN.9 (+) Know the Fundamental Theorem of Algebra; show that it is true for quadratic polynomials.

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