“Do you know where the points (2, 0), (–3, 0), (4, 0) and (n, 0), for any real number n, lie in the Cartesian plane? Yes, they all lie on the x-axis. But do you know why?” Learn in detail about the Equations of Lines Parallel to the x-axis and y-axis in section 4.5 of Chapter 4 of the NCERT Textbook. After explaining the concept, to assess your knowledge about the concept there are some exercises given.
In Exercise number 4.4, there are 2 questions. Detailed and stepwise solutions for all the questions have been provided by our subject experts in the NCERT Solutions for Class 9 Maths Chapter 4- Linear Equations In Two Variables Exercise 4.4 so that the concept is easily comprehensible by students.
Following the Syllabus and guidelines, these NCERT solutions for class 9 Maths have been created to help you prepare for the exams. You can gain practice solving these questions and thus be confident while writing the exams.
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NCERT Solutions for Class 9 Maths Chapter 4- Linear Equations In Two Variables Exercise 4.4
1. Give the geometric representations of y = 3 as an equation
(i) in one variable
(ii) in two variables
Solution:
- In one variable, y = 3
(ii) In two variable, 0x+y = 3
When x = 0, y = 3
When x = 1, y = 3
2. Give the geometric representations of 2x+9 = 0 as an equation
(i) in one variable
(ii) in two variables
Solution:
(i) In one variable,
2x+9 = 0
2x = -9
x = -9/2
x = -4.5
(ii) In two variables,
2x+9 = 0
2x+0y+9 = 0
When y = 0, x = -4.5
When y = 1, x = -4.5
Exercise 4.4 of the NCERT Solutions contains 2 Questions, each with 1 main question with 2 sub-sections under it. In these questions you might be asked to give the geometric representation of a given equations in one variable and in two variables.
Solving these NCERT Solutions for Class 9 Maths Chapter 4- Linear Equations will help you to score good marks, as most of the questions are likely to come from the textbook. Other benefits of solving these question papers are given here:
- Get an idea about the different types of questions asked
- Get a clear idea about the concepts covered in the topic
- Understand the subject more thoroughly
- Practise these solutions and score high marks
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