what is the vertex of this parabola?

Question

y = -5(x + 4)^2 + 3

Answer 1

The vertex form of a quadratic equation is:

 

y = a(x-h)² + k

 

where (h,k) is the location of the vertex.  Your equation is already in the vertex form:

 

y = -5(x+4)²+3

 

(h,k) = (-4,3)