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AS PureMathematics - Homework

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Teacher: Prof. JM Section: AS Mathematics Grade 11
Date: Week Grade Grade 11

Axis of symmetry

Learning Objectives
  • Understand how to find the x-intercepts, y-intercept, axis of symmetry, and vertex of a quadratic function.
  • Develop the skills to graph a quadratic function using its key features such as the axis of symmetry and vertex.
  • Apply algebraic techniques to solve problems involving the properties of quadratic functions, including finding the vertex form and standard form.
Instruction : Show Detailed Working
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Student Materials:

    Name:.......................Grade....................

    Find Vertex, x-intercept, y-intercept, axis of symmetry

    Worksheet: Quadratic Functions

    Question 1: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = x^2 - 6x + 8 \]

    Question 2: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = 2x^2 - 4x - 6 \]

    Question 3: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = -x^2 + 4x + 5 \]

    Question 4: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = x^2 + 2x - 3 \]

    Question 5: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = 3x^2 - 12x + 7 \]

    Question 6: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = -x^2 + 6x - 8 \]

    Question 7: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = 4x^2 - 8x + 3 \]

    Question 8: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = x^2 - 4x + 4 \]

    Question 9: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = 2x^2 + 6x - 4 \]

    Question 10: Find the x-intercepts, y-intercept, axis of symmetry, and vertex of the quadratic function: \[ f(x) = -x^2 + 3x + 2 \]

    Answer Key:

    • Answer 1: x-intercepts: (2, 0) and (4, 0), y-intercept: (0, 8), axis of symmetry: x = 3, vertex: (3, -1)
    • Answer 2: x-intercepts: (-1, 0) and (3, 0), y-intercept: (0, -6), axis of symmetry: x = 1, vertex: (1, -8)
    • Answer 3: x-intercepts: (1, 0) and (5, 0), y-intercept: (0, 5), axis of symmetry: x = 2, vertex: (2, 9)
    • Answer 4: x-intercepts: (-3, 0) and (1, 0), y-intercept: (0, -3), axis of symmetry: x = -1, vertex: (-1, -4)
    • Answer 5: x-intercepts: (1, 0) and (3, 0), y-intercept: (0, 7), axis of symmetry: x = 2, vertex: (2, -5)
    • Answer 6: x-intercepts: (2, 0) and (4, 0), y-intercept: (0, -8), axis of symmetry: x = 3, vertex: (3, -17)
    • Answer 7: x-intercepts: (-0.5, 0) and (1.5, 0), y-intercept: (0, 3), axis of symmetry: x = 1, vertex: (1, -1)
    • Answer 8: x-intercepts: (2, 0), y-intercept: (0, 4), axis of symmetry: x = 2, vertex: (2, 0)
    • Answer 9: x-intercepts: (-2, 0) and (1, 0), y-intercept: (0, -4), axis of symmetry: x = -1/2, vertex: (-1/2, -5/2)
    • Answer 10: x-intercepts: (1, 0) and (3, 0), y-intercept: (0, 2), axis of symmetry: x = 3/2, vertex: (3/2, 7/4)
Student Materials:

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