For those in Sec 3s, you will be learning more about Quadratic Graphs. Not so much of the drawing like in Sec 2s, but more of indepth understanding.
A quadratic graph typically is either a smiley face :) or a sad face :( some prefer to call them U or n shape.
Q1: Do you know how to tell the "mood" of the quadratic graph given its equation? Be very speific to ensure crystal clear understanding.
Eg 
:) or :(
[Read more...] about E-Maths Note: Quadratic Equations & Graphs Series