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Quadratic functions quiz

A 9th-grade quadratic functions quiz where students identify vertices, roots, and parabola directions through multiple-choice questions and graph analysis, helping them practice key concepts of quadratic graphs and equations.

By Edform · Mathematics · Grade 9 · Published Oct 15, 2026 · New

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Questions

  1. Which of the following is the vertex of the quadratic function y = (x - 3)² + 2?
  2. Select all equations that represent a parabola opening downward.
  3. The graph of y = (x + 2)² - 5 has its vertex at (-2, -5).
  4. What are the roots of the quadratic equation x² - 9 = 0?
  5. What is the axis of symmetry for the graph of y = 2(x - 4)² + 1?
  6. Find the y-intercept of y = x² - 6x + 5.
  7. Which of these graphs represents a quadratic function with two real roots?
  8. Select all statements that are true about the graph of y = -x² + 4x - 1.
  9. The graph of y = x² + 6x + 9 is symmetric about the line x = -3.
  10. What is the minimum value of y = (x + 1)² - 7?

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