Fit a quadratic function to these three points: (-2,8), (0,-4) and (4,68)a. y=4x^2+2x-4b. y=-2x^+2x-4c. y=-4x^2-2x-4d. y=-2x^2-2x-4

One way to find this is to plug in the points into each of the answers and see which one is correct:

A. First, plug in the point (-2,8). y = 8, x = -2

A works for the first point.
Then plug in the second point: x =0, y = -4

A works for the second point.
Then plug in the third point: x = 4, y = 68

A works for the third point, so A is the answer.

But we should double-check the other answers too.



B does not work.


C does not work.


D does not work.

Therefore, A is the answer

Do you need with the x value for the minimum? its always between the two intercepts for a parabola