Question

(iii) For the quadratic equation x2 + 6x = 16, what should be the third term to make
LHS a complete square?
(A) -9 (B) 9 (C) 25 (D) 4. ​

Answer 1

Answer:

4

2x+6x=16

1. 8x=16
2. x=16/8
3. x=2

x=2 is 3rd term we multiply by same no. nd we

find square term

2×2=4

Answer 2

Answer:

D) 4

Step-by-step explanation:

this is correct option