2020 AMC 10B Problem 9


How many ordered pairs of integers (x,y)(x,y) satisfy the equation x2020+y2=2y?x^{2020} + y^2 = 2y?

(A) 1(B) 2(C) 3(D) 4(E) infinitely many\textbf{(A)}\ 1 \qquad\textbf{(B)}\ 2 \qquad\textbf{(C)}\ 3 \qquad\textbf{(D)}\ 4 \qquad\textbf{(E)}\ \text{infinitely many}


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.

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Category: AMC 10B
Points: 1
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