The number 94 can be written as the sum of squares of 3 integers. Which of the following could be the difference between the largest and smallest integers of the 3?
Choose the correct choice.
A) 2
B) 5
C) 7
D) 8
E) 9
Notice that the question asks which of the followingcouldbe the difference between the largest and smallest integers, not must be. The 3 integers could be: +/-2, +/-3 and +/-9, so the difference could be 7, 11 or 12. Since only one of them is among the choices, then it must be the correct answer.   Answer: 7
<result>C</result>
The number 94 can be written as the sum of squares of 3 integers. Which of the following could be the difference between the largest and smallest integers of the 3?