Rajasthan Board RBSE Solutions for Class 8 Maths Chapter 15 Introduction to Graphs Intext Questions Textbook Exercise Questions and Answers.
(Think, Discuss And Write - Page 243)
Question 1.
The number of litres of petrol you buy to fill a car’s petrol tank will decide the amount you have to pay. Which is the independent variable here? Think about it.
Answer:
Since the number of litres of petrol to fill a car’s petrol tank will decide the amount to pay. Therefore number of litres of petrol an independent variable.
(Try These)
Question 1.
Use the graph to find how much petrol can be purchased for ₹ 800.
Answer:
The number of litres of petrol is 16 litres can be purchased for ₹ 800.
(Try These - Page 245)
Question 1.
Is Example 7, a case of direct variation?
Answer:
Yes, this is a case of direct variation.