Question

Finding a,b, and c in quadratic functions? I have (2, 28) (4,50) (10,140) and (12, ?) It's in y=ax^2+bx+c. I need to find what the question mark is.

Answer 1

the quadratic is
\[\frac{x^2}{2}+8 x+10\]

Answer 2

Thank you so much oh my gosh <3 Could you try to explain to me how to get the answer? I have 4 other questions just like this :/