Quadratic Equations Mastery Quiz
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Questions and Answers

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

  • $ax^2 + bx + c = 0$ (correct)
  • $x = \frac{-b}{2a}$
  • $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$
  • $y = mx + b$

    • What is the discriminant of a quadratic equation?

  • $\frac{1}{2}(b_1 + b_2)$
  • $b^2 - 4ac$ (correct)
  • $\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$
  • $-\frac{b}{2a}$

    • Which of the following represents the quadratic formula?

  • $y = mx + b$
  • $x = \frac{-b}{2a}$
  • $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ (correct)
  • $x = \frac{1}{2}(b_1 + b_2)$

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