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Intro to Quadratics

Quiz by Mariah Goodbee

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6 questions
Show answers
  • Q1
    What is the standard form of a quadratic function?
    y = ax^2 - bx + c
    y = ax^2 + bx
    y = x^2 + bx + c
    y = ax^2 + bx + c
    30s
  • Q2
    When does a parabola open down?
    When the 'a' value is positive
    When the vertex is at the origin
    When the 'b' value is negative
    When the 'a' value is negative
    30s
  • Q3
    What does the line of symmetry of a parabola always pass through?
    The x-axis
    The y-intercept
    The origin
    The vertex
    30s
  • Q4
    What is the line of symmetry of y = 3x^2 - 18x + 7?
    x = 18
    x = 3
    x = -3
    y = 3
    30s
  • Q5
    What is the line of symmetry formula for a quadratic function in standard form?
    y = (x-h)^2 + k
    x = a / (2b)
    y = ax^2 + bx + c
    y = mx + b
    x = -b / (2a)
    30s
  • Q6
    What is the line of symmetry of y = 3x^2 - 18x + 7?
    x = -3
    x = 7
    x = 3
    x = 18
    30s

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