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HomeCXC CSEC MathematicsRelations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation
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Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation
Practice Questions

20 CXC CSEC Mathematics questions on Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation.

Try 2 sample questions on Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation

Question 1 · 1 mark · Difficulty 1/3

What is the equation of the axis of symmetry for the quadratic function y = x² - 6x + 11?

  1. x = -6
  2. x = -3
  3. x = 3
  4. x = 6
Show answer & explanation
✓ Answer: Cx = 3
Award 1 mark for correct answer. The axis of symmetry is x = -b/(2a) = -(-6)/(2×1) = 6/2 = 3. A results from using b directly with wrong sign. B results from incorrect sign application. D results from using b without dividing by 2a.
Question 2 · 1 mark · Difficulty 2/3

The path of water from a fountain in Queen's Park, Barbados, can be modelled by h = -0.5d² + 2d + 1.5, where h is the height in metres and d is the horizontal distance in metres from the fountain. At what horizontal distance does the water reach its maximum height?

  1. 1 m
  2. 2 m
  3. 3 m
  4. 4 m
Show answer & explanation
✓ Answer: B2 m
Award 1 mark for correct answer. The maximum height occurs at d = -b/(2a) = -2/(2×-0.5) = -2/(-1) = 2 m. A results from using a value. C results from incorrect formula application. D results from doubling b.
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20 questions · 25 min · free

CXC CSEC Mathematics: Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation FAQ

How many CXC CSEC Mathematics questions on Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation for CXC CSEC Mathematics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Mathematics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation practice with other Mathematics topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation questions aligned to the official CXC CSEC Mathematics syllabus?
Every question is written against the published CXC CSEC Mathematics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation typically tested on CXC CSEC Mathematics papers?
Relations, Functions and Graphs: Quadratic functions — graphs, vertex, axis of symmetry and interpretation appears across multiple question types on real CXC CSEC Mathematics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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