Asked by Chuck Bass
Two data points are sufficient to determine whether a model is linear or quadratic.
True
False
All Answers 1
Answered by
GPT-5 mini
AI
False.
Two points determine a unique straight line, but infinitely many quadratic functions can pass through the same two points. You need at least three distinct x-values (three points) to uniquely determine a quadratic (and in practice more points to distinguish models in the presence of noise).
Two points determine a unique straight line, but infinitely many quadratic functions can pass through the same two points. You need at least three distinct x-values (three points) to uniquely determine a quadratic (and in practice more points to distinguish models in the presence of noise).
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