Functions 11 Determining an equation from a graph
Channel: Ms Havrot's Canadian University Math Prerequisites
Date: 2020-02-15

Probably the longest title yet!   Page 73 #22 from Nelson Functions 11.
In this video I explain how to determine a quadratic function equation from a graph of the transformed function.
What are the key features and how do I find the "a" value for a vertical stretch or compression.  Also how do I find the "k" value for a horizontal stretch or compression.
Remember that a vertical stretch and a horizontal compression or a vertical compression and a horizontal stretch effectively give you the same shape so you need to know which one you are trying to find.

**** Note:  at 2:58 I say shifted DOWN when I meant shifted UP 2 units, as I later said when stating the equation ****