Today we looked at: 

• 2014 LC question on Complex Numbers 
• Introduction to Statistics.
  

Please look over the revision videos.

Looked at Complex Numbers.
Key ideas:

• Powers of i

• Adding and subtracting complex numbers
• Multiplying Complex numbers
• Dividing Complex Numbers
• Argand Diagram (Complex Plane)
• Modulus (Absolute Value)
• Transformations
• Quadratic Equations with complex roots

Have a look at the videos here if you need reminding and try the linked questions to check your understanding.

HW:

1. Work through the KA (Khan Academy) Questions linked under the videos.
   
2. Try the following Paper 1 LC Exam Questions: 

• 2014 Q.2
• 2013 Q.1
• 2012 Q.2 c & Q.3