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HomeCIE IGCSE MathematicsGraphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept
CIE · IGCSE · Mathematics

Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept
Practice Questions

20 CIE IGCSE Mathematics questions on Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept

Question 1 · 1 mark · Difficulty 1/3

A straight line passes through the points (0, 3) and (2, 7). What is the gradient of the line?

  1. 2
  2. 3
  3. 4
  4. 0.5
Show answer & explanation
✓ Answer: A2
Award 1 mark for correct answer. Gradient = change in y ÷ change in x = (7 - 3) ÷ (2 - 0) = 4 ÷ 2 = 2. B is incorrect — this is the y-intercept, not the gradient. C confuses the change in y with the gradient. D is incorrect — this inverts the gradient calculation.
Question 2 · 1 mark · Difficulty 2/3

A scientist in Kenya recorded the temperature of water in a beaker as it cooled. The graph shows a straight line passing through the points (10, 80) and (30, 40), where x represents time in minutes and y represents temperature in °C. What is the rate of cooling per minute?

  1. 2 °C per minute
  2. -2 °C per minute
  3. 4 °C per minute
  4. -4 °C per minute
Show answer & explanation
✓ Answer: B-2 °C per minute
Award 1 mark for correct answer. Gradient = (40 - 80) ÷ (30 - 10) = -40 ÷ 20 = -2. The negative sign indicates cooling (temperature decreasing). A is incorrect — omits the negative sign indicating decrease. C and D use incorrect calculations.
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20 questions · 25 min · free

CIE IGCSE Mathematics: Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept FAQ

How many CIE IGCSE Mathematics questions on Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept for CIE IGCSE 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 CIE 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 CIE IGCSE 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 Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept practice with other Mathematics topics or even switch to a totally different CIE 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 Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept questions aligned to the official CIE IGCSE Mathematics syllabus?
Every question is written against the published CIE IGCSE Mathematics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE 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 CIE.
How is Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept typically tested on CIE IGCSE Mathematics papers?
Graphs: Drawing, reading and interpreting straight-line graphs; gradient and y-intercept appears across multiple question types on real CIE IGCSE 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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