Algebra 2- 4th period

Real or Imaginary?  Man Made Numbers

Essential Question:  How can we express the zeros of a quadratic function if it never touches the real x-axis?

Content Objectives:  The students will be able to...

• define and use imaginary and complex numbers
• solve quadratic equations with complex roots
• identify the real number system and it's families

Language Objective:  The students will be able to explain what mathematical situation inspired imaginary numbers to be invented.

Key Terms:  imaginary unit, imaginary number, complex number, real part, imaginary part, complex conjugate, DesCartes, pure imaginary numbers, Heron of Alexandria

Class Activities for January 9:
The Real number System-Flip Chart Notes
Complex Numbers
Investigation Man Made Numbers
Guided Practice  Skills Practice Man Made Numbers due Friday
 Guided Practice  Skills Practice Man Made Numbers Part 2 due Monday