Advertisements
Advertisements
Question
(–1) is not a multiplicative identity of integers.
Options
True
False
Advertisements
Solution
This statement is True.
Explanation:
1 is multiplicative identity for integers, i.e, a × 1 = 1 × a = a for any integer a.
APPEARS IN
RELATED QUESTIONS
Determine the integer whose product with (−1) is −22.
Starting from (−1) × 5, write various products showing some pattern to show (−1) × (−1) =1.
During summer, the level of the water in a pond decreases by 2 inches every week due to evaporation. What is the change in the level of the water over a period of 6 weeks?
Which of the following expressions is equal to −30
Find two pairs of integers whose product is +15
Which of the following is the multiplicative identity for an integer a?
______ is the multiplicative identity for integers.
88 × ______ = –88
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 |
Determine the integer whose product with (–1) is 37.
