SOLUTION: The arch of a bridge forms the upper half of an ellipse. The highest point of the arch is 6 m above the 20-meter-wide river. Write the equation of the ellipse in which the major a

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: The arch of a bridge forms the upper half of an ellipse. The highest point of the arch is 6 m above the 20-meter-wide river. Write the equation of the ellipse in which the major a      Log On


   



Question 1166889: The arch of a bridge forms the upper half of an ellipse. The highest point of the arch is 6 m above the 20-meter-wide river. Write the equation of the ellipse in which the major axis coincides with the water level.
Answer by ikleyn(52831) About Me  (Show Source):
You can put this solution on YOUR website!
.

ANSWER :    x%5E2%2F10%5E2 + y%5E2%2F6%5E2 = 1.

It is so obvious that does not require explanations.

The formula is self-explanatory.