Find an equation, in standard form of the parabola passing through the points: (1, 8) , (2, 14) , (4, 28)

Answer 1

8=a+b+c

14=4a+2b+c

28=16a+4b+c

6=3a+b

14=12a+2b

7=6a+b

1=3a

a=1/3, b=5,c=8/3

y=(1/3)x^2+5x+8/3