The shape of the famous Gateway to the West arch in Saint Louis can be modeled by a parabola. The equation for this parabola is: where x and y are in feet. Approximately how far do you have to walk to get from one side of the arch to the other?
A) 610 feet
B) 600 feet
C) 620 feet
D) 630 feet
E) 640 feet

Question

The shape of the famous Gateway to the West arch in Saint Louis can be modeled by a parabola.  The equation for this parabola is:  where x and y are in feet. Approximately how far do you have to walk to get from one side of the arch to the other?
A) 610 feet 
B) 600 feet 
C) 620 feet 
D) 630 feet 
E) 640 feet

Quizplus · Accepted Answer

The Answer of The shape of the famous Gateway to the West arch in Saint Louis can be modeled by a parabola.  The equation for this parabola is:  where x and y are in feet. Approximately how far do you have to walk to get from one side of the arch to the other?
A) 610 feet 
B) 600 feet 
C) 620 feet 
D) 630 feet 
E) 640 feet

The Shape of the Famous Gateway to the West Arch