Add Al the sides of the square
3
(
y
−
3
)
y
3
(
−
3
)
That is your answer
Choice A is the answer
Why? Because we start with 4, which is denoted a_1 = 4, and because we multiply each previous term by -3 to get the next term (which is what the second row of choice A says).
The answer is 200, if it’s wrong I’m sorry