Class 9 math tutorials

Class 9 | Full Chapter 4 | Linear Equations in two variables | NCERT

Class 9 | Chapter 4 | All Solutions | Linear Equations in Two Variables

This playlist covers all the questions, concepts, theorems and examples of chapter 4 (Linear Equations in Two Variables) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. Watch complete chapter on YouTube

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Class 9 | Full Chapter 3 | Coordinate Geometry | NCERT

Class 9 | Chapter 3 | All Solutions | Coordinate Geometry

This playlist covers all the questions, concepts, theorems and examples of chapter 3 (Coordinate Geometry) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. Watch complete chapter on YouTube

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Class 9 | Full Chapter 2 | Polynomials | NCERT

Class 9 Chapter 2 | All Solutions | Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook. There are few very important concepts that students must learn to get a good understanding of…

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Class 9 | Full Chapter | NCERT

Class 9 Chapter 1 | All Solutions | Number System

All Mathemafia YouTube videos of Class 9 chapter 1 (Number System) are embedded on this webpage. You can watch all these videos right here in the same order as they appear in the NCERT textbook. Number system is the base…

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Linear Equations – Introduction

In this video, linear Equations, variables, constants are explained in detail with example and demonstration by plotting solutions on graph. This video is intended for class 9 and class 10 students. 

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Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.4 | Question 1 & 2

Question 1: Give the geometric representations of y = 3 as an equation (i)  in one variable (ii)  in two variables Question 2 the geometric representations of 2x + 9 = 0 as an equation (i)  in one variable (ii)…

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Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.3 | Question 8

Question 8: In countries like USA and Canada, temperature is measured in Fahrenheit, whereas in countries like India, it is measured in Celsius. Here is a linear equation that converts Fahrenheit to Celsius: (i) Draw the graph of the linear…

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Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.3 | Question 7

Question 7: Yamini and Fatima, two students of Class IX of a school, together contributed Rs 100 towards the Prime Minister’s Relief Fund to help the earthquake victims. Write a linear equation which satisfies this data. (You may take their…

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Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.3 | Question 6

Question 6: If the work done by a body on application of a constant force is directly proportional to the distance travelled by the body, express this in the form of an equation in two variables and draw the graph…

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Class 9 | Chapter 4 | Linear Equations in Two Variables | Exercise 4.3 | Question 5

Question 5: From the choices given below, choose the equation whose graphs are given in Fig. 4.6 and Fig. 4.7. For Fig. 4. 6 (i)y=x (ii) x+y=0 (iii) y = 2x (iv) 2+3y=7x For Fig. 4.7 (i) y=x+2 (ii) y=x–2…

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