SOLUTION: The length of the major axis of the ellipse below is 14, and the length of the red line segment is 3. How long is the blue line segment?

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: The length of the major axis of the ellipse below is 14, and the length of the red line segment is 3. How long is the blue line segment?      Log On


   

Question 881190: The length of the major axis of the ellipse below is 14, and the length of the red line segment is 3. How long is the blue line segment?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
a=7.

What red line segment?
What blue line segment?
Which direction is the major axis?

c= distance from center to either focus.
b = distance from center to minor vertex.

(x-h)^2/(a^2 or b^2)+(y-k)^2/(b^2 or a^2)=1
center is (h,k).