Algebra 2- 6th 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 February 29:
Journal- Test Talk #6
Flip Chart Notes     

1. The Real number System-
2. Complex Numbers

Investigation Man Made Numbers
Guided Practice  Skills Practice Man Made Numbers due Thursday
 Guided Practice  Assignment Man Made Numbers  due Friday
Cognitive Tutor