A point has the coordinates (0, k), where k≠0. Which reflection of the point will produce an image at the same coordinates, open paren 0 comma k close paren ?

Reflecting a point across the y-axis changes the sign of its x-coordinate while leaving its y-coordinate unchanged. Since the point is (0, k), its x-coordinate remains 0, so the image is still (0, k). The correct choice is a reflection across the y-axis.

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