3. y = -2(x + 1)(x - 1) x-intercepts: 10F 8 6 4 Axis of Symmetry: Vertex: -10 -8 -6 -4 -2 2 4 6 8 10 -2- Increasing: Decreasing: Range: 10 4. y = -(x -1)(x +3) 10 X-intercepts: 8 - 6 4 Axis of Symmetry: -10 -8 -6 -4 -2 2 4 6 8 10 Vertex: Increasing: - 6 Decreasing 10 Range