SOLUTION: If the length of the major axis of an ellipse is 28 units and the foci are located 3.5 units away from the center, what is the eccentricity of the ellipse? a. 0.25 b. 0.5 c

Algebra ->  Finance -> SOLUTION: If the length of the major axis of an ellipse is 28 units and the foci are located 3.5 units away from the center, what is the eccentricity of the ellipse? a. 0.25 b. 0.5 c      Log On


   

Question 1180608: If the length of the major axis of an ellipse is 28 units and the foci are located 3.5 units away from the center, what is the eccentricity of the ellipse?

a. 0.25
b. 0.5
c. 0.05
d. 0.75
Answer by MathLover1(20850) About Me  (Show Source):
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ellipse


the major axis of an ellipse is 28 units =>2a=28=>a=14
the foci are located 3.5 units away from the center=>c=3.5
the eccentricity of the ellipse=>e=c%2Fa=3.5%2F14=0.25

answer: a. 0.25