Answer
$y=4(x-1)^2-2$
Work Step by Step
Vertex: $(h,k)=(1,-2)$
Standard form:
$y=a(x-h)^2+k$
$y=a(x-1)^2+(-2)$
$y=a(x-1)^2-2$
Now, use the point $(-1,14)$ to find $a$:
$14=a(-1-1)^2-2$
$14+2=a(4)$
$a=\frac{16}{4}=4$
$y=4(x-1)^2-2$