Variable is something whose value can change

Suppose we have an equation

13.jpg

Here

  • x is a variable
  • Number multiplied to x is coefficient – 3
  • And 1 is a constant

Similarly,

For equation

What is a variable? - Part 2

Here, variable is x

 

For equation

What is a variable? - Part 3

Here, variable is p

 

Similarly,

For equation

What is a variable? - Part 4

Here, variable is y

 

So, we can use any letter as variable

 

Let’s check some more examples of variables

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.