16. What is the equation, in standard form, of a parabola that models the values in the table?
x –2 0 4
f(x) 4 –6 70

A)y = 3x² + 4x – 6
B)y = 4x² + 3x – 6
C)y = 6x² + 3x – 4
D)y = –4x² – 3x + 6

Question

16. What is the equation, in standard form, of a parabola that models the values in the table?
 x –2 0 4
 f(x) 4 –6 70

 A)y = 3x² + 4x – 6
 B)y = 4x² + 3x – 6
 C)y = 6x² + 3x – 4
 D)y = –4x² – 3x + 6

mertsj · Answer

Plug those ordered pairs into each equation until you find the one that is true for all 3 ordered pairs.

anonymous · Answer

only check the first two, because since $f(0)=-6$ you know the constant is $-6$

anonymous · Answer

how do I plug them in?   I have no idea how to do this. im sorry