A data check for a quadratic law
A data check for a quadratic law
4 marks
TGM Original
The model is y=ax2+b. Original data points (1,5), (3,21) fix the constants. Use a straight-line form to find the model, then determine whether (4,35) fits it.
Solution:
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Answer:\(y=2x^2+3\); the third point fits.
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