Exercise 1.1 ( Grade 8 NCERT)
Q1. Using appropriate properties find
Reasoning:
By using commutativity of multiplication and addition getting the answer.
Q2. Write the additive inverse of each of the following
(i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6
Q3. Verify that -(-x)=x for
(i) x=11/15
(ii)x=-13/7
Q4. Find the multiplicative inverse of the followings.
(i) -13
(ii)-13/19
(iii)1/5
(iv)-5/8*(-3/7)
(v)-1*(-2/5)
(vi)-1
Q5. Name the property under multiplication used in each of the following:
Q6. Multiply 6/13 by the reciprocal of -7/16
