# What are the vertex, axis of symmetry, maximum or minimum value, domain, and range of the function #y=-x^2-4x+3#?

##### 1 Answer

May 12, 2015

x of the vertex and axis of symmetry:

Since a = -1, the parabola opens downward, there is a max at (-2, 7)

Domain: (-infinity, +infinity)

Range ( -infinity, 7)