Quadratic Functions Quiz
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Questions and Answers

What is the vertex form of a quadratic function?

  • y = ax^2 + bx + c
  • y = a(x - h)^2 - k
  • y = a(x + h)^2 + k (correct)
  • y = a(x - h)^2 + k

    • Which of the following is the correct formula for finding the discriminant of a quadratic function?

  • b^2 - 4ac (correct)
  • a + b + c
  • 2ab - c
  • a^2 + b^2 + c^2

    • Which of the following is a characteristic of quadratic functions?

  • They always have a positive leading coefficient
  • They always have a linear term
  • They always have an odd degree
  • They always have two real roots (correct)

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