If x = 8 and y = −2, what is the value of (x − 2y)^y?  Choices
A) −100	B) 0.007	C) 0.25	D) 4	E) 8
Quickly we can spot that answer is neither integer nor negative. Eliminate A, DE   by inversing and squaring 0.007   Answer: 0.007
<result>B</result>
If x = 8 and y = −2, what is the value of (x − 2y)^y?