Practice Set

Math Set 11

Answer 48 questions in one focused session, then review your score, accuracy, and explanations immediately.

Set 1148 questionsAnswered 0Question 1 / 48Medium

Set 11

Question 1

Medium

Find the focal length

c

of the ellipse

\frac{x^2}{25} + \frac{y^2}{4} = 1

(Assume

a > b

)

Question 1 of 48. Select an answer, then keep moving while the controls stay in view.

Practice summary

Focus mode, topics, and quick set guidance.

Stay in one set, answer in any order, and submit when you want a score with explanations.

Topics: Geometry, Complex Numbers, Functions, Sets, Sequences...

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