Answer:
x= -2 y = ()
x= 0 y = 1
x= 2 y = 49
Explanation:
x= -2 -> (7)² = 49, negative power makes it inverse to a fraction
y = ()
x= 0 -> anything to the power of 0 is always 1
y = 1
x= 2 -> 7² = 7 × 7 = 49
y = 49
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