Coordinate geometry › Parabolas, ellipses and hyperbolas › Arches
Water width under a parabolic arch
High school · ●●○○○ 20 pts
The vertex of a parabolic arch bridge is 2 meters above the water surface, and the width of the water surface is 8 meters. When the water level rises by meter, find the width of the water surface in meters. Round to two decimal places.