+293 
dont know how to do need hlep. need as soon as possible.please and thanks.
+128460 (8, -2)
vertex = (2, -1)
Since we have a vertical axis of symmetry, the form will be
y = a ( x - h)^2 + k
(h,k) = the vertex = (2,-1) and we know a point....so we can find "a" thusly
-2 = a ( 8 - 2)^2 -1
-2 + 1 = a (6)^2
-1 = 36a
a = -1/36
The equation is
y= (-1/36)(x - 2)^2 - 1
See the graph here : https://www.desmos.com/calculator/myw1qujzjc
