If the 9-digit number 5x79856y6 is divisible by 36, then what is the negative value of √(2x + y) for the largest possible value of y, given x and y are natural numbers?
-5
For divisibility by 36, the number must be divisible by both 4 and 9. After applying the divisibility rules and calculating for the largest possible value of y, the negative value of √(2x + y) is -5.
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select the correct answer using the code given below:
