This lesson introduces you to algebra. Here, you will get to learn what algebra variables are all about.
About This Lesson
Algebra sounds taunting? Don't be, algebra is not as difficult as it seems.
Rather than thinking algebra like an alien from outer space, think of it as a transition from the usual number manipulation to something that is more flexible.
In this lesson, you will be introduced to the one of the most important concept in algebra -variables.
When you begin learning algebra, the first thing you that should familiarize with is algebra variable.
Now, watch the following math videos to know more.
Math Video Transcript
This video gives you the introduction to Algebra. If you are new to algebra, this is a good place to start.
Imagine that, you are given a number, and this number is unknown to you.
If you are asked, to guess this number. you might think that this number could be..
Or ninety nine thousand nine hundred and ninety nine,
Or seven point five,
Or one point three three three three three three,
Or zero point zero zero zero two,
Or negative ten,
Or root two ,
Or any number.
You see that there are enormous number of possibilities if you were keep on guessing.
Now, to make our life easier, we just represent this number as x.
This 'x' can be called a variable.
Other than 'x' you can also use any letter to represent a variable. Such as...
Now that you have some ideas about variables, let's take a look at what you can do with it, in the next lesson
Practice Questions & More
Multiple Choice Questions (MCQ)
Now, let's try some MCQ questions to understand this lesson better.
You can start by going through the series of questions on algebra variables or pick your choice of question below.
Site-Search and Q&A Library
Please feel free to visit the Q&A Library. You can read the Q&As listed in any of the available categories such as Algebra, Graphs, Exponents and more. Also, you can submit math question, share or give comments there.