Advertisements
Advertisements
प्रश्न
We get additive inverse of an integer a when we multiply it by ______.
Advertisements
उत्तर
We get additive inverse of an integer a when we multiply it by (–1).
Explanation:
Additive inverse of an integer is the same integer value, with opposite sign. So, we get additive inverse of integer a, when we multiply it by (–1).
APPEARS IN
संबंधित प्रश्न
8 × (−4) = 32
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?
11 × (−1) = ______
(−12) × (−9) = _______
Find two pairs of integers whose product is +15
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 |
Below u, v, w and x represent different integers, where u = –4 and x ≠ 1. By using following equations, find each of the values:
u × v = u
x × w = w
u + x = w
- v
- w
- x
Explain your reasoning using the properties of integers.
Determine the integer whose product with (–1) is 0.
