# What are the vertex, axis of symmetry, maximum or minimum value, domain, and range of the function #y=x^(2)-2x-15#?

##### 1 Answer

May 9, 2015

Coordinate of vertex:

x = -b/2a = 2 /2 = 1

y = f(1) = -16

Axis of symmetry: x = 1

Min value of y: -16

Domain of x: -infinity to +infinity

Range: - 16 to +infinity.