Complex numbers 101

In this lesson, students will be introduced to $i$, que complex number equivalent to $\sqrt{-1}$. Also, students will solve simple quadratic equations in which that transformation will be necessary

Duration: 1h

Lesson objectives

• Students will identify complex numbers
• Students will simplify complex numbers, writing them in terms of $i$
• Students will solve simple quadratic equations in which it'll be necessary to transform $\sqrt{-1} = i$

Resources

• Exercise lists
• Negative roots
• Videos
• Khan