Grade 9 Quadratics Quiz

A free Grade 9 Quadratics quiz. Play without signing up; sign in to save your score.

Grade 9 gradeMath subjectFree quiz

Grade 9 quadratics introduce the parabola y = ax² + bx + c: direction, vertex, intercepts, and solutions of ax² + bx + c = 0. Students solve by factoring, completing the square, or the quadratic formula, and they use the discriminant to count real roots. Contexts include area and projectile height.

The Grade 9 Quadratics quiz is free to play without signing up. Sign in to save scores. Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.

What you practice

These are the Grade 9 Quadratics skills this quiz is built around.

Identify the vertex, axis of symmetry, and intercepts of a quadratic graph.
Solve a quadratic equation by factoring or by the quadratic formula.
Use the discriminant b² − 4ac to determine how many real solutions exist.

A useful tip

The quadratic formula is x = (−b ± √(b² − 4ac)) / (2a). The 2a belongs in the denominator for the entire numerator, not only for −b.

Frequently asked questions

What does Grade 9 Quadratics practice?

Practice includes: Identify the vertex, axis of symmetry, and intercepts of a quadratic graph; Solve a quadratic equation by factoring or by the quadratic formula; Use the discriminant b² − 4ac to determine how many real solutions exist.

Is the Grade 9 Quadratics quiz free?

Yes. This quiz is free to play without signing up. Sign in to save your scores and progress.

What game modes can I use?

Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.