Green Day at the talent show

Brain Stew
When I come around

constructed drawings help

You don't really have to click on these videos for the movie!

Construction Lines:
6-point
Cube part 1(6-point construction)

Cube:
Cube part 1(6-point construction)
Cube part 2

Interlocking Triangles
Interlocking triangles part 1
Interlocking triangles part 2

Interlocking Squares
Interlocking squares part 1
Interlocking squares part 2


OctoStar
How to make an octostar part 1
How to make an octostar part 2

Death Spiral
How to construct a death spiral part 1
How to construct a death spiral part 2
How to construct a death spiral part 3

5/10-point Construction (Star)
How to construct a star part 1
How to construct a star part 2

Interlocking Star
How to construct a star part 1
How to construct a star part 2
Next step:
How to turn a 10-point construction into an interlocking star

10-point Spider Web / Interlocking Star
10-point spider web (interlocking 10-point star) part 1
10-point interlocking star part 2

quadratic formula

how use the quadratic formula

Completing the square / chapter 12 help

Your assignment due Monday is 1-9 odd p. 566 (written exercises)
You have tons of examples here:

How to solve by completing the square part 1
How to solve by completing the square part 2 

How to solve by completing the square 2012 1
How to solve by completing the square 2012 2

Chapter 12

12-2   Completing the Square
completing the square 1
completing the square 2
completing the square 3
completing the square 4
completing the square example 1 2011
completing the square example 2 2011


12-3   The Quadratic Formula
Quadratic formula intro 1
Quadratic formula intro 2
Quadratic equation example 1
Quadratic Formula example 2
Quadratic Formula example 3
how to solve a quadratic expression using the quadratic formula
quadratic formula problem 12 3 prob 11
12-4   Graphs of Quadratic Equations: The Discriminant
12-2 completing the square hwq prob 11
12-2 completing the square hwq prob 17
The discriminant lesson
discriminent
alg 12-4 6 and 12
alg 12 4 16 and 22
12 4 the discriminant problem 14
the discriminant 12-4 prob 19

12-1 solving quardatric equations with perfect squares

how to solve quadratic equations with perfect squares