GAUSS8 2014 Problem 15

Past Contests GAUSS8 GAUSS (GR. 8) - 2014
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The point A(1,2) is reflected in the y- axis. The new coordinates are

Image

Answer Choices
A. (1,2)
B. (-1,2)
C. (-1,-2)
D. (1,-2)
E. (1,-1)