Question

Vertex Form of Quadratic Functions
1) y = 0.5(x + 3)2 – 8
x-intercepts:
axis of symmetry:
vertex:
y-intercept:
concave up or down:
sketch:

Answer 1

The X-intercepts: (1,0),(-7,0)

Axis of symmetry: x= - 3

The vertex: (-3, -8)

The Y-intercept: (0, -7/2)

Concave up or down: concave up

Sketch: a poorly drawn picture on the bottom.

I hope that helps.