An Introduction to Quadratic Functions

A basic introduction to Quadratic Functions: The graph, vertex, axis-of-symmetry, and the vertex formula.

[mateogaitan]

Randy: * draws wobbly t-charts * 1:58
Me: "Oh, he must be using a mouse."
Randy 8 minutes later: *PERFECT HANDWRITING* 10:00

[RandyAnderson]

Hey Terence. Thanks. I use a Wacom Bamboo tablet (it's a few years old now). The "whiteboard" is an old version of Photoshop (I found layers to be very helpful). I'm on OSX and use ScreenFlow to capture my desktop, audio, edit, and encode. Camtasia would be similar on the Windows side. I hope that helps. Take care and have fun making videos.

[Riam]

@9:20 when you're substituting in for -b wouldn't it be a 12 instead of -12 since it's a double negative? or no?

[juliemangoxo]

First thing you said was the format is ax^2 + bx+c . but the first set of examples you used is only Ax^2

[jahazielornelas]

excuse me do u have a blog on the internet??