Using the quadratic formula, the answers could be A B and D
Answer:
(a) 
(b) 
Step-by-step explanation:
(a)
can also be written as
x 
the
= ± y
Therefore :
= ±
since it was given that y < 0 , then the factor will be 
(b)
can also be written as :
x 
Therefore , one of the factor is 
Answer:
6 cm
Step-by-step explanation:
There are 27 bricks in the 12th row. Hope this helps ! :)