Give the geometric representations of as an equation:

**(i)** in one variable

**(ii)** in two variables

## Ncert Math Solutions Class 9th Chapter 4 Linear Equations in Two Variables Exercise 4.4 Question 1

## Ncert Math Solutions Class 9th Chapter 4 Linear Equations in Two Variables Exercise 4.3 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:

## Ncert Math Solutions Class 9th Chapter 4 Linear Equations in Two Variables Exercise 4.3 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 contributions as Rs and Rs ). Draw the graph of the same.

## Ncert Math Solutions Class 9th Chapter 4 Linear Equations in Two Variables Exercise 4.3 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 of the same by taking the constant force as 5 units. Also read from the graph the work done when the distance travelled by the body is:

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