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现在参加这个测试
Quadratics Finding the Vertex @ State High
  • 1. State the vertex: y = 2(x - 3)2
A) (0, -3)
B) (-3, 0)
C) (0, 3)
D) (3, 0)
  • 2. State the vertex: y = x2 - 4
A) (-4, 0)
B) (4, 0)
C) (0, 4)
D) (0, -4)
  • 3. State the vertex: y = (x + 1)2 - 3
A) (-1, 3)
B) (-1, -3)
C) (1, -3)
D) (1, 3)
  • 4. State the vertex: y = (x - 5)2 - 8
A) (8, -5)
B) (-8, 5)
C) (-5, 8)
D) (5, -8)
  • 5. State the vertex: y = -3(x - 2)2 + 1
A) (3, 1)
B) (2, 1)
C) (-2, 1)
D) (-3, 1)
  • 6. State the transformations:
    y = 2(x + 5)2 - 3
A) Vertical Shrink of 2, Left 5, Down 3
B) Vertical Stretch of 2, Left 5, Down 3
C) Vertical Stretch of 2, Right 5, Down 3
D) Vertical Stretch of 2, Left 5, Up 3
E) Vertical Shrink of 2, Right 5, Up 3
  • 7. State the transformations:
    y = -0.5x2 + 1
A) Vertical Shrink of -0.5, Up 1
B) Reflection over x-axis, Vertical Shrink of 0.5, Up 1
C) Reflection over x-axis, right 0.5, Up 1
D) Vertical Shrink of 0.5, Up 1
E) Vertical Shrink of 0.5, Reflection over x-axis, Left 1
  • 8. State the transformations:
    y = 3(x - 1)2
A) Vertical Stretch of 3, Down 1
B) Vertical Stretch of 3, Up 1
C) Vertical Stretch of 3, Left 1
D) Vertical Stretch of 3, Right 1
  • 9. State the transformations:
    y = - (x + 3)2 - 1
A) Reflection over x-axis, Right 3, Up 1
B) Reflection over x-axis, Left 3, Up 1
C) Reflection over x-axis, Right 3, Down 1
D) Reflection over x-axis, Left 3, Down 1
  • 10. State the transformations:
    y = 5(x - 8)2 + 1
A) Vertical Stretch of 5, Left 8, Down 1
B) Vertical Stretch of 5, Right 8, Up 1
C) Vertical Stretch of 5, Right 8, Down 1
D) Vertical Stretch of 5, Left 8, Up 1
  • 11. Write a quadratic equation with vertex (-2, 3)
A) y = 2(x + 2)2 + 3
B) y = 3(x - 2)2 - 3
C) y = -2(x + 2)2 - 3
D) y = - (x - 2)2 + 3
  • 12. Write a quadratic equation with vertex (1, -5)
A) y = -3 (x + 1)2 - 5
B) y = 2(x - 1)2 + 5
C) y = - (x - 1)2 - 5
D) y = 0.5(x + 1)2 + 5
  • 13. Write a quadratic equation with vertex (-9, -8)
A) y = 0.5(x - 9)2 + 8
B) y = - (x + 9)2 + 8
C) y = -3(x - 9)2 - 8
D) y = 2(x + 9)2 - 8
  • 14. Write a quadratic equation with vertex (5, 3)
A) y = -3(x + 5)2 + 3
B) y = 0.5(x + 5)2 - 3
C) y = - (x - 5)2 - 3
D) y = 2(x - 5)2 + 3
参加了这次测试的学生也参加了 :
Quiz 7a: relations and functions
Composition of functions
Alg2: Inverse Functions
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