- For $y = 2x^2 - 1$: The vertex is at (0, -1). The parabola opens upwards. Key points: (-1, 1), (0, -1), (1, 1).
- For $y = -2x^2 - 4x + 2$: The vertex is at (-1, 4). The parabola opens downwards. Key points: (-2, 2), (-1, 4), (0, 2).
- For $y = -3x^2 - 6x - 1$: The vertex is at (-1, 2). The parabola opens downwards. Key points: (-2, -1), (-1, 2), (0, -1).
- For $y = x^2 + 6x$: The vertex is at (-3, -9). The parabola opens upwards. Key points: (-4, -8), (-3, -9), (-2, -8).
- For $y = -x^2 - 6x - 4$: The vertex is at (-3, 5). The parabola opens downwards. Key points: (-4, 4), (-3, 5), (-2, 4).
- For $y = -(x - 5)^2 - 3$: The vertex is at (5, -3). The parabola opens downwards. Key points: (4, -4), (5, -3), (6, -4).
Parent Tip: Review the logic above to help your child master the concept of graph quadratic equations worksheet.