The ellipse with foci at (0, 6) and (0, -6);y-intercepts (0, 8) and (0, -8).

Question

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Answer 1

This ellipse has vertical major axis with a=8, c=6, equation y²/a² + x²/b² = 1 and the relationship b² = a² - c².

Therefore b² = 28.

 

Substitute the numerical denominators (squares of a & b) and you have completed the task.