Find two pairs of integers whose product is +15

Sum

(i) (+3) × (+5)

(ii) (−3) × (−5)

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Chapter 1: Number System - Exercise 1.6 [Page 29]

Chapter 1 Number System
Exercise 1.6 | Q 8 | Page 29

Determine the integer whose product with (−1) is −22.

Replace the blank with an integer to make it a true statement

(–3) × _____ = 27

−80 × ____ = −80

_____ × 75 = 0

(−12) × (−9) = _______

Say true or false.

The product of two negative integers is a positive integer

Which of the following is the multiplicative identity for an integer a?

11 × (–5) = – (_____ × _____) = _____.

______ is the multiplicative identity for integers.

Match the following:

Column I	Column II
(a) a × 1	(i) Additive inverse of a
(b) 1	(ii) Additive identity
(c) (–a) ÷ (–b)	(iii) Multiplicative identity
(d) a × (–1)	(iv) a ÷ (–b)
(e) a × 0	(v) a ÷ b
(f) (–a) ÷ b	(vi) a
(g) 0	(vii) –a
(h) a ÷ (–a)	(viii) 0
(i) –a	(ix) –1