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Kendra and Meldee's Algebra page

Page history last edited by PBworks 16 years, 10 months ago

QUIZ!!! <-- Clickie

 

Meldee: Hi, this is Meldee!

 

Kendra: And Kendra!

 

Meldee: We're here to talk to you about Algebra! Hey Kendra, isn't this your topic?

 

Kendra: Alright, alright. Jeez, I'll explain what Algebra is! Hold your horses...

 

Kendra: Kendra here. I'll be the only one talking from here on end, except a few occasional comments from Meldee, so listen up.

 

For those of you who don't know what algebra is (Meldee: Then you must be stupid!) be quiet Meldee! Anyway, if you don't know what algebra is, let me give you a short lesson.

 

DICTIONARY TIME! Let's see where algebra got its name from! ....FOUND IT! (Meldee: Took you long enough) So sue me! Let's put this in my own words so I won't actually get sued. *Ahem*

 

"Algebra's name comes from a Persian mathematician's, named Muhammad bin Musa al-Khwarizmi, book called "Al-Kitab al-Jabr (which is where algebra gets it's name and pronounciation

from...the name was a little tweeked) wa-l-Muqabala". Which means "The Compendious Book on Calculation by Completion and Balancing". The book provided information on symbolic

operations for the systematic solution of the linear and quadric equations. For more information on what linear and quadric equations are, click on the blue (Meldee: Or purple) highlighted

links that will lead you to the wikipedia pages. For those of you who don't know where math originated (Meldee: Then your hopeless!), it's Greece. The name 'Mathematics' is Greek for

"Science, knowledge and/or learning".

 

Kendra: Now to get started on the real important information.

 

Every algebraic equation has the following:

 

A variable

 

Numbers

 

An arithmaic equation

 

An algebraic equation is usually called an 'expression'

 

Here is what an algebraic expression would look like:

 

 

We all know the answer would be 5 (Meldee: Yeah, the smart people would know!) Meldee, shut up! (Meldee: Alright, alright. Jeez, all you had to do was ask....)

Like I was saying before I got so rudely interrupted *glares at Meldee, who glares back* To get the answer 5 would be like this:

 

Not that complicated, huh?

 

The 1st basic rule of algebra is that 'whatever you do to the left side, you must do to the left' So for the question I gave you, if you've studied intergers, +6 gets canceled out by -6. So if you subtracted 6 from the left, you have to subtract 6 from the right. 11-6=5. So, x, the variable, equals 5.

 

Kendra: I'm on a roll!

 

Meldee: That's a first.

 

Kendra: Shut UP!

 

Meldee: .....

 

Kendra: Thank you very muchly!

 

Meldee (to herself) : Muchly...?

 

Kendra: Back to where we were...

 

Algebra can be used for all the equations in math, namely Addition, Subtraction, Multiplication and Division.

Algebra is quite easy when you get the hang of it.

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