alleryA hyperbola is the set of points where the difference of two distances is:
ACyclical
BConstant
CClimbing
DChanging
Answer & Solution
Correct answer: B. Constant
1. An ellipse uses the sum instead.
2. The distances go to two fixed points.
3. The difference stays constant.
_Source: syllabus Mathematics, Ch 10 'Conic Sections'_
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