Jason W

3/3/03

Algebra 2   

Blackwell 1 per.

                             Ch. 4  Section 2:  Adding &      Subtracting Matrices aka The Big Ragu, Make that Money!

 

 [9   -7]  +  [2   17] = [11    10]

[7   25] - [20  &  5] = [-13    20]

Remember to Add and Subract by COLUMN!!!!!!

 

It was a hot and muggy Saturday morning when the Ragu woke up.  He got up, stretched, looked outside and smiled.  "I smell money!" he exclaimed. Ragu got dressed, went to the corner of Maddison Ave. and built himself a lemonade/biscut stand.  He met alot of interesting people that day.  When he went to to Sunset Blvd. a man with a pink hat and two women even aproached him.  He said to Ragu, " Boy, you gocha self a mighty fine buisiness for yourself.  How old are you son, 12 or 13?"  "No sir," replied Ragu with a grin, "I'm 35".  "35?!" the man shouted.  "Then you should be in the entertainment business like me"  said the man proudly.  "We'll anyway my investments and I have to go back to work so we'll see you later son.  Lets go back to work ladies." and off they went.  Before Ragu went home, he recorded all his sells for that day and for the next on a spreadsheet.   

 

 

To write a matrix for the sale for each day, write out the maxtrix row by column.  To find the difference, subtract the matixs and to add, add the matixs together.   REMEMBER, ADD OR SUBTRACT ROW BY COLUMN!!!!!!

[79  112  145  15  25]   +/-  [37  225  74  115  29]

[123  210  115  82  3]          [111 215  99  72  36]

 

 

Quote: 

Never look down on anyone unless your helping them up!

~Jesse Jackson(from famous-quotes-and-quotations.com)

 

You've got to be honest; if you can fake that, you've got it made.

~George Burns  (from famous-quotes-and-quotations.com)

 

Imagination is more important than knowlege.

~Albert Einstien (famous-quotes-and-quotations.com)

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