Mastering Quadratic Functions
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Questions and Answers

Which of the following is the standard form of a quadratic function?

  • y = mx + b
  • y = mx + c
  • y = ax^2 + bx
  • y = ax^2 + bx + c (correct)

    • What is the vertex form of a quadratic function?

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

    • What is the discriminant used for in quadratic functions?

  • To find the x-intercepts of the function
  • To determine the concavity of the function
  • To determine the number and nature of the roots of the function (correct)
  • To find the vertex of the function

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