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# Master the Concepts of Pair of Linear Equations in Two Variables with this NCERT...

Test your understanding of Pair of Linear Equations in Two Variables with this quiz based on Chapter 3 of NCERT Math Class 10. Explore the properties of linear equations and learn about the graphical representation of a pair of linear equations with unique solutions. Identify the conditions for no solution and improve your knowledge of this fundamental concept in mathematics.

Created by
@StreamlinedHonor

All of the above

### What is the graphical representation of a pair of linear equations in two variables that have a unique solution?

Intersecting lines

### What is the condition for a pair of linear equations in two variables to have no solution?

The lines are parallel

### Quina és la solució del sistema d'equacions següent? x + y = 5 2x - y = 3

<p>x = 1, y = 4</p> Signup and view all the answers

### Quina és la condició perquè un sistema d'equacions lineals en dues variables tingui una infinida solució?

<p>Les dues equacions són paral·leles</p> Signup and view all the answers

### Quina és la solució del sistema d'equacions següent? 3x - 4y = 2 6x - 8y = 4

<p>x = 0, y = 0</p> Signup and view all the answers

### Which of the following is NOT a method to solve a pair of linear equations in two variables?

<p>Interpolation method</p> Signup and view all the answers

### What is the solution of the pair of linear equations 3x - 2y = 7 and 2x + y = 4?

<p>x = 1, y = 2</p> Signup and view all the answers

### What is the condition for a pair of linear equations in two variables to have infinitely many solutions?

<p>The equations have the same slope and the same y-intercept</p> Signup and view all the answers

## Study Notes

### Pair of Linear Equations in Two Variables

• A pair of linear equations in two variables can have a unique solution, no solution, or infinitely many solutions.

### Graphical Representation

• The graphical representation of a pair of linear equations in two variables with a unique solution is two intersecting lines.

### Condition for No Solution

• The condition for a pair of linear equations in two variables to have no solution is that the two lines are parallel and do not intersect.

### Solving Systems of Equations

• The solution to the system of equations x + y = 5 and 2x - y = 3 is x = 2 and y = 3.

### Condition for Infinitely Many Solutions

• The condition for a pair of linear equations in two variables to have infinitely many solutions is that the two lines coincide.

### Solving Another System of Equations

• The solution to the system of equations 3x - 4y = 2 and 6x - 8y = 4 is no solution, as the lines are parallel and do not intersect.

### Methods to Solve a Pair of Linear Equations

• The methods to solve a pair of linear equations in two variables are substitution, elimination, and graphical method.
• Guessing is NOT a method to solve a pair of linear equations in two variables.

### Solving Another System of Equations

• The solution to the system of equations 3x - 2y = 7 and 2x + y = 4 is x = 3 and y = 1.

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