Question

@Ashleyisakitty

Answer 1

y=7(x-4)^2+v

point is (4,-2)=(x,y)

put in equation
-2=7(4-4)^2+v
-2=0+v
v=-2

Answer 2

\[y-v=7 \left( x-4 \right)^{2}\]

here v=-2