X-1,2,3,4,8,B

Y-3,12,27,48,A,243
Determine the value of A and B

1 answer

To determine the values of A and B, we need to find the pattern or the rule that relates the numbers in the X and Y sequences.

Looking at the X sequence, we can see that the numbers are increasing by 1 each time: 1 -> 2 -> 3 -> 4 -> 5.

Looking at the Y sequence, we can see that the numbers are increasing in a pattern. If we take the square of each number in the X sequence, we get the corresponding numbers in the Y sequence:
1^2 = 1 -> 3 = 1
2^2 = 4 -> 12 = 4
3^2 = 9 -> 27 = 9
4^2 = 16 -> 48 = 16
5^2 = 25 -> 243 = 25

Now we can find the values of A and B:
For A, we can see that the square of 5 is 25, which corresponds to the number 243 in the Y sequence. Therefore, A = 5.

For B, we can look at the X sequence and see that the number 8 does not follow the pattern of increasing by 1. Instead, it seems to be a random number in the sequence. So we can conclude that B = 8.