Question

Find the equation of the parabola in the graph. http://media.education2020.com/evresources/2093063_6dba9b1b-6e4e-448a-a2ca-3a77ac5eb7ed.png

Answer 1

\[y = a(x-h)^2 + k\]
(h,k) is vertex ----> h=0,k=0
plug in a point (4,2) to solve for "a"
\[\rightarrow 2 = a (4)^2\]
\[a = \frac{1}{8}\]

Answer 2

then what ?