Question

write definasatio of linear equation in two varibles and give some examples​

Answer 1

Answer:

An equation that can be put in the form ax + by + c = 0, where a, b and c are real numbers and a, b not equal to zero is called a linear equation in two variables namely x and y. The solution for such an equation is a pair of values, one for x and one for y which further makes the two sides of an equation equal.

Linear Equations In Two Variables

Let us take an example of a linear equation in two variables and understand the concept in detail.

Linear Equations in Two Variables Example

In order to find the solution of Linear equation in 2 variables, two equations should be known to us.

Consider for Example:

5x + 3y = 30

The above equation has two variables namely x and y.

Graphically this equation can be represented by substituting the variables to zero.

The value of x when y=0 is

5x + 3(0) = 30

⇒ x = 6

and the value of y when x = 0 is,

5 (0) + 3y = 30

⇒ y = 10

Linear Equations in Two Variables Example Question

It is now understood that to solve linear equation in two variables, 2 equations have to be known and then the substitution method can be followed. Let’s understand this with a few example questions.

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Answer 2

Answer:

The equation which has the degree of 1 is called as " linear equation in two Variables."

for example:- ax2+by + c=0

2x +4y -6=0

I hope it will be helps you.

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