Sunday, November 30, 2014

Quadratic regression video

Quadratic Regression video for TI 83/ 84…On this video the teacher already entered his data, but he does show quickly how to get to the data and edit/input new data on L1, L2.  http://www.youtube.com/watch?v=ttnN8r_xhs0 . 

 

 

Friday, November 21, 2014

Free Calculator online.

Use these to solve your HW problems and get a TI-83 ASAP!!!

Matrix calculator. 


Link to other calculators, like graphing calculator, matrix calculator, statistics calulator. 

Monday, November 10, 2014

videos 4.3 to 4.7

4.3 A, Scalar multiplication, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-529s.html

 

4.3 B, solving scalar equations,  http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-530s.html

 

4.3 C, multiplying matrices, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-531s.html

 

4.3 D, word problem… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-532s.html

 

4.5 A, evaluate determinant,  http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-537s.html

 

4.5 B, find inverse matrix, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-538s.html

 

4.5 C, solving a matrix equation,  http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-539s.html

 

4.6, determinant of 3x3 matrix. I don't like the  video from the book  nor the method of the book. Better taught on youtube.

 

4.6 A, determinant of 3x3 matrix, from youtube, excellent, much better than the book method. http://www.youtube.com/watch?v=ROFcVgehEYA

 

4.6 B, How to input and find inverse of matrices on TI -83/84 calculator. Excellent.  http://www.youtube.com/watch?v=_fFj4NbLcTU

 

4.6 C,  solving 3x3 matrix with some calculator directions. from the book., http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-541s.html

 

4.6 D, clip from the movie the Matrix. Neo is first exposed to the Matrix and finds out that there's much more than what he understands of the world around him. http://www.youtube.com/watch?v=frxvwSrertY  (by the way, if you like to think about life, this is an excellent movie to spark your mind). 

 

25.5

9

36.5

22.5

9

28.5

14

10

16.5

30

18

4

11

5.75

4.5

6.75

5.25

-4.5

7.75

-3

5

4.75

5.5

0

-2

5.5

2

0

1.5

1

-9

6.5

-10

10

7.5

1.5

-1

-4

2

 

 

Videos 4.7

 

4.7 C, applying matrices on word problem, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-544s.html

 

 

 

Thursday, November 6, 2014

hw for 11/06

HW: p166, 1- 17. + take notes on videos 4.2 A, B, C.
Watch videos 4.1 if you need help for the HW.