Question

10. (i) What must be subtracted from - 7 to get 14?
(ii) What must be added to -14 to get 7 ?
(iii) Which temperature is warmer -2° C or 0°C?
(iv) What is additive inverse of
(a) -15 (b) 0 (c) 1 ?​

Answer 1

Answer:

(i) + 21

(ii) + 21

(iii) $0^{o}$ C

(iv) (a) 15

     (b) 1