Question

Find the value of expression a) m=-3 b) m=-4 c) m=3

Question for Algebraic Expression ​

Answer 1

Answer:

(i) m − 2 = 2 − 2 = 0

(ii) 3m − 5 = (3 × 2) − 5 = 6 − 5 = 1

(iii) 9 − 5m = 9 − (5 × 2) = 9 −10 = −1

(iv) 3m2 − 2m − 7 = 3 × (2 × 2) − (2 × 2) − 7 = 12 − 4 − 7 = 1