Question 170246
using the vertex form of the equation __ y=a(x+1)^2+5


substituting the point to find a __ 7=a(2+1)^2+5


subtracting 5 __ 2=9a


dividing by 9 __ 2/9=a


y=(2/9)(x+1)^2+5 __ y=(2/9)x^2+(4/9)x+(47/9)


{{{graph( 300, 200, -12, 10, -2, 25, (2/9)x^2+(4/9)x+(47/9) )}}}