# How do you find the vertex and axis of symmetry of #y=-4x^2+8x+13#?

##### 1 Answer

Jul 10, 2016

Vertex (1, 17)

#### Explanation:

x-coordinate of vertex, and of the axis of symmetry:

y-coordinate of vertex:

y(1) = -4 + 8 + 13 = 17

Vertex (1, 17)