Devin found the wrong equation of the parabola that fits the three points.
A parabola is a curve which forms by joining all the points which are at an equal distance from a fixed point (the focus) and a fixed straight line (the directrix).
Given is Devin found the equation of the parabola that fits the three points in the table to be y = 0.345x² - 0.57x - 2.
We have the following table -
[x] [y]
4 5
0.6 3
9 20
We have the equation of the parabola as -
y = 0.345x² - 0.57x - 2.
Plot the graph of the parabola. It can be seen that the points don't lie on the parabola. So, he is incorrect.
Therefore, Devin found the wrong equation of the parabola that fits the three points.
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