Question

CHAPTER - 1
RATIONAL NUMBERS
Questions carrying 1 Mark each :-
Q.1
is zero a rational number? If yes, give two examples.
Q.2
What are the identity elements for the addition and multiplication of rational
numbers?
Q.3
Namethe property used in the following:-
Q.4
Find the additive inverse of
Q.5
Write the reciprocal of 0.
Questions carrying 2 marks each :-
Q.6 Using property find the value
lue of x2
Q.7 Is 0.5 the multiplicative inverse of 2? Why or Why not?
Q.8
Write four rational numbers which are greater than - 31 and less than 4.​

Answer 1

Answer:

Rational numbers, integers and whole numbers are non commutative under subtraction and division. Role of zero and one- 0 is the additive identity for rational numbers. 1 is the multiplicative identity for rational numbers.

Answer 2

Answer:

Q1

yes 0 is Rational number

Step-by-step explanation:

0=0/1

0=0/-1