Class 9 Maths Chapter 1 Exercise-1.2 Solutions
The second exercise of the chapter Number System makes you well aware of another set of numbers called irrational numbers and how are they different from rational numbers. You will learn here that rational numbers and irrational numbers combine to form real numbers and not only you can plot rational numbers on a number line but you can also plot irrational numbers like √2, √3 etc on a number line. These are the things you need to get through before attempting to solve this exercise and Class 9 Maths Chapter 1 Exercise-1.2 Solutions will provide you with all help you need to solve this exercise.
1. State whether the following statements are true or false. Justify your answers.
2. Are the square roots of all positive integers irrational? If not, give an example of the square roots of a number that is a rational number.
3. Show how √5 can be represented on the number line.
4. Classroom activity (Constructing the ‘square root spiral’):
