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The line about which a parabola is symmetric is called the:
ALine of best fit
BTangent line drawn
CAsymptote of it
DAxis of symmetry
Answer & Solution
Correct answer: D. Axis of symmetry
1. A parabola has a mirror line through its turning point.
2. A parabola is a symmetric curve.
3. One line divides it into two matching halves.
4. We call it the axis of symmetry of the parabola.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 10 'Quadratic Equations', sections 10.1-10.5_
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