alleryFor the simplest parabola equation, the axis of symmetry lies along which axes?
AThe x or y axis
BThe x or z axis
CThe y or z axis
DThe z or w axis
Answer & Solution
Correct answer: A. The x or y axis
1. Two dimensional geometry offers two coordinate axes.
2. Either one may carry the axis of symmetry.
3. The equation is simplest if the axis of symmetry is along the x-axis or y-axis.
4. So the answer is the x or y axis.
_Source: syllabus Mathematics, Ch 10 'Conic Sections'_
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