As shown in the figure, on the number axis, the number represented by point a is root sign 3. Move point a to the right 4 units to get point a '. If the number represented by point a' is a

As shown in the figure, on the number axis, the number represented by point a is root sign 3. Move point a to the right 4 units to get point a '. If the number represented by point a' is a

The number represented by point a 'is
-Root 3 + 4