If 3 ◊ 2 = 13 and 4 ◊ 3 = 25, find 5 ◊ 2.
Show answer & explanation
Correct answer: B
Explanation
3 ◊ 2 = 13
4 ◊ 3 = 25
Look at the pattern:
3² + 2² = 9 + 4 = 13
4² + 3² = 16 + 9 = 25
So the rule is:
a ◊ b = a² + b²
Now,
5 ◊ 2 = 5² + 2² = 25 + 4 = 29
Correct answer: 29