Question

Complete the following table:

+	−6	−4	−2	0	2	4	6
6						10
4
2							8
0	−6
−2
−4						0
−6				−6

From the above table

(i) Write all the pairs of integers whose sum is 0.
(ii) is (−4) + (−2) = (−2) + (−4)?
(iii) is 0 + (−6) = −6?

Answer 1

(i) (6, −6), (4, −4), (2, −2), (0, 0), (−2, 2), (−4, 4) and (−6,6).
(ii) (−4) + (−2) = −6 = (−2) + (−4); Yes
(iii) 0 + (−6) = −6; Yes

+	−6	−4	−2	0	2	4	6
6	0	2	4	6	8	10	12
4	−2	0	2	4	6	8	10
2	−4	−2	0	2	4	6	8
0	−6	−4	−2	0	2	4	6
−2	−8	−6	−4	−2	0	2	4
−4	−10	−8	−6	−4	−2	0	2
−6	−12	−10	−8	−6	−4	−2	0