This lesson introduces you to algebra. You will get to know 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.
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Math Video Transcript
00:00:01.040 This video gives you the introduction to Algebra. If you are new to algebra, this is a good place to start. 00:00:09.240 Imagine that, you are given a number, and this number is unknown to you. 00:00:15.110 If you are asked, to guess this number. you might think that this number could be.. 00:00:21.090 Zero, 00:00:23.010 Or ninety nine thousand nine hundred and ninety nine, 00:00:26.120 Or seven, 00:00:28.020 Or seven point five, 00:00:30.090 Or one point three three three three three three, 00:00:32.230 Or zero point zero zero zero two, 00:00:35.230 Or negative ten, 00:00:37.170 Or root two , 00:00:39.060 Or any number. 00:00:41.090 You see that there are enormous number of possibilities if you were keep on guessing. 00:00:46.210 Now, to make our life easier, we just represent this number as x. 00:00:52.060 This 'x' can be called a variable. 00:00:58.050 Other than 'x' you can also use any letter to represent a variable. Such as... 00:01:05.180 'Y' 00:01:07.220 Or 'Z' 00:01:10.100 Or 't' 00:01:12.220 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)
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