The point B(-5, 4) is reflected over the y-axis. What are the coordinates of the resulting point B′?
(5, 4)
A point P (x,y) when reflected in y axis becomes P' (-x,y). Since B is 5 units to the left of the y-axis, B′ is 5 units to the right of the y-axis. B′ has coordinates (5, 4).