. Find a quadratic function to model the values in the table. Predict the value of y for x = 6.
X y
1 2
0 2
3 -10
A. y = -2x2 + 2x -2; –58
B. y = 2x2 – 2x -2; 60
C. y = 2x2 – 2x -2; 58
D. y = -2x2 + 2x +2; –58
i need a solution :)

Question

. Find a quadratic function to model the values in the table. Predict the value of y for x = 6. 
X	y
1	2
0	2
3	-10
    A. y = -2x2 + 2x -2; –58
    B. y = 2x2 – 2x -2; 60
C. y = 2x2 – 2x -2; 58
D. y = -2x2 + 2x +2; –58
i need a solution :)

anonymous · Answer

The answer is D.
If you mark the points given in a graphic and observing the polinomails given, you can conclude that it is a parabola with it's curvature facing down.
You get 2 choices. From the two, you can do x=0 and see wich coincides with the values given.