Class 9 Maths chapter 4 linear equations two variables, allows students to experience a new type of equation and guides them through them. In order to make this process more conducive we have compiled the Class 9 Maths NCERT chapter 4 solutions.
These solutions contain the step-by-step methods of solving each question you may encounter in the exercises as given in the most recent NCERT curriculum textbooks. By referencing these solutions students can make sure that they are well prepared for any question in exams.
Table of Contents
NCERT Solutions for Class 9 Maths Chapter 4 Linear Equations in Two Variables Exercise 4.1
NCERT Solutions for Class 9 Maths Chapter 4 Linear Equations in Two Variables Exercise 4.2
Chapter 2 the concept of polynomials and that of linear equations in two variables was introduced. NCERT Chapter 4 Linear Equations in Two Variables dives deeper into these concepts which you should understand the basics of before attempting to understand this chapter. Class 9 maths NCERT solutions chapter 2 are also available in order to aid students’ revision.
Graphing the linear equation in two variables
By writing the linear equation in the form: ax + by = c, and finding the sets of values of x and y that satisfy the equation, we can draw a graph of the linear equation. The values of x and y give the coordinates that lie along the line of the graph of the linear equation. These equations will always yield a straight line and every point along this line satisfies the equation and any point that isn’t on the line will not satisfy the equation. Also, this also indicates that there are an infinite number of solution sets to the equation but only a few that are whole numbers.
Lines parallel to the axes of a graph
Wherever the coefficient of x is 0 the graph will yield a line parallel to the x-axis drawn along the value for y that satisfies the equation. Similarly, if the coefficient of y is 0 the graph will be a line running parallel to the y-axis centred at the x-coordinate that satisfies the equation. Both the types of equations will have an infinite number of solutions each of those with the same x or y value respectively.
FAQs (Frequently Asked Questions)
What is the Importance of NCERT Solutions for Class 9 Maths Chapter 4 linear equations in two variables?
The NCERT chapter 4 introduces vital concepts that will be relevant for solving word problems in your exams and these kinds of linear equations in two variables are also found in several competitive exams so developing an understanding of these concepts will go a long way to improve your chances at getting those questions right. This makes NCERT Solutions Chapter 4 a great method to get more marks in your exams.
What can I learn from Maths Class 9 Chapter 4?
Linear equations in two variables have the following traits: there are two variables and the degree of the polynomial is 1. These can be represented in the format ax + by +c = 0, where a and b =/= 0. The solution of the equation (also referred to as the root of the equation) is given by a set of values for the variables x,y which satisfies the equation. There can be multiple sets of x,y that satisfy the equation.
Is Chapter 4 of Linear Equation in Two Variables of Class 9 Maths tough?
There are numerous questions in the chapter you may find difficult but you have support. Our site has the solutions for every problem in the exercise so your Chapter 4 solutions are just a few clicks away. Moreover, if you pay close attention to the examples and make sure that you revise the previous chapters you should be in good shape to make this chapter much easier. Additionally, you will have the masterfully curated solutions for NCERT maths class 9 chapter 4 prepared to ensure that you don’t have a hard time studying these topics.
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