Solve.
-A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 248 feet and the maximum height of the arch is 112 feet. Write the equation of the arch.

A) $y = \frac { 7 } { 961 } x ^ { 2 } + 112$
B) $y = - \frac { 7 } { 961 } x ^ { 2 } + 112$
C) $y = x ^ { 2 } + 112$
D) $y = - x ^ { 2 } + 112$

Question

Solve.
-A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 248 feet and the maximum height of the arch is 112 feet. Write the equation of the arch.

A) $y = \frac { 7 } { 961 } x ^ { 2 } + 112$ 
B) $y = - \frac { 7 } { 961 } x ^ { 2 } + 112$ 
C) $y = x ^ { 2 } + 112$ 
D) $y = - x ^ { 2 } + 112$

Quizplus · Accepted Answer

The Answer of Solve.
-A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 248 feet and the maximum height of the arch is 112 feet. Write the equation of the arch.

A) $y = \frac { 7 } { 961 } x ^ { 2 } + 112$ 
B) $y = - \frac { 7 } { 961 } x ^ { 2 } + 112$ 
C) $y = x ^ { 2 } + 112$ 
D) $y = - x ^ { 2 } + 112$

Solve -A Bridge Constructed Over a River Has a Supporting y=7961x2+112y = \frac { 7 } { 961 } x ^ { 2 } + 112y=9617​x2+112

Solve
-A Bridge Constructed Over a River Has a Supporting $y = \frac { 7 } { 961 } x ^ { 2 } + 112$