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

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

anonymous · Answer

D

anonymous · Answer

let $$y=ax ^{2}+bx+x$$substitute in the 3 points and solve for a, b and c

anonymous · Answer

Thanks sweetie.. can you help me with another?

mathmale · Answer

DN:  Kindly do NOT provide answers without explanations of how you got them, and especially without the involvement of the person asking the questions.  The goal here is for LissaBaby to learn how to do this type of problem herself.

anonymous · Answer

He has been explaining to me!

mathmale · Answer

That's good to hear.  Mind posting your next problem separately and demonstrating what you have learned from Dom's explanations?

anonymous · Answer

sorry should be let;
$$y=ax ^{2}+bx+c$$
I had a typo