1) y = (x - 5)² - 4
- Vertex: (5, -4)
- Axis of Symmetry: x = 5
- Direction of Opening: Up
- Min/Max Value: Minimum at y = -4
- y-intercept: (0, 21)
- x-intercepts: (3, 0) and (7, 0)
2) y = -(x + 3)² - 1
- Vertex: (-3, -1)
- Axis of Symmetry: x = -3
- Direction of Opening: Down
- Min/Max Value: Maximum at y = -1
- y-intercept: (0, -10)
- x-intercepts: None
3) y = -(x - 1)² + 1
- Vertex: (1, 1)
- Axis of Symmetry: x = 1
- Direction of Opening: Down
- Min/Max Value: Maximum at y = 1
- y-intercept: (0, 0)
- x-intercepts: (0, 0) and (2, 0)
4) y = (x + 1)² + 3
- Vertex: (-1, 3)
- Axis of Symmetry: x = -1
- Direction of Opening: Up
- Min/Max Value: Minimum at y = 3
- y-intercept: (0, 4)
- x-intercepts: None
5) y = -(x + 2)² + 1
- Vertex: (-2, 1)
- Axis of Symmetry: x = -2
- Direction of Opening: Down
- Min/Max Value: Maximum at y = 1
- y-intercept: (0, -3)
- x-intercepts: (-3, 0) and (-1, 0)
6) y = -(x + 5)²
- Vertex: (-5, 0)
- Axis of Symmetry: x = -5
- Direction of Opening: Down
- Min/Max Value: Maximum at y = 0
- y-intercept: (0, -25)
- x-intercepts: (-5, 0)
Parent Tip: Review the logic above to help your child master the concept of vertex form of parabolas worksheet answers.
