Question

Which of the following is not the method for solving pair of linear equations in two variables ?

Answer 1

Answer:

The numbers a and b are called the coefficients of the equation ax+by = r. The number r is called the constant of the equation ax + by = r. Examples. 10x - 3y = 5 and -2x - 4y = 7 are linear equations in two variables.

Answer 2

GRAPHICAL METHOD IS NOT A METHOD FOR SOLVING THE LINEAR EQUATIONS IN TWO VARIABLES.

Explanation:

• The linear equations contains the highest power of one.
• For a given pair of liner equation in two variables, different methods can be used.
• Example of such methods are: substitution method, elimination method, and cross multiple method.
• The graphical method cannot be used to solve that as graphical method is linear programming.
• Known values of x, and y are required to be used.
• Therefore, GRAPHICAL METHOD cannot be used to solve linear equation in two variables.

[Your question is incomplete, but most probably your full question was - Which of the following is not the algebraic method of solving pair of linear equation of two variables -

1. Cross multiple method

2. Elimination method

3. Substitution method

4. Graphical method  ]