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Visual Guide to y = mx + c

Part of y = mx + c — GCSE Mathematics

This diagram covers Visual Guide to y = mx + c within y = mx + c for GCSE Mathematics. Revise y = mx + c in Graphs for GCSE Mathematics with 10 exam-style questions and 20 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 3 of 9 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 3 of 9

Practice

10 questions

Recall

20 flashcards

Visual Guide to y = mx + c

c = 3 y-intercept +2 +4 m = 4/2 = 2 y = 2x + 3 Gradient (m) = 2 Y-intercept (c) = 3 (2, 7) (4, 11) y x 3 7 11 2 4

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Read this section alongside the surrounding pages in y = mx + c. That gives you the full topic sequence instead of a single isolated revision point.

The y = mx + c Formula BreakdownKey Properties of y = mx + cBuilding the Perfect EquationConverting to y = mx + c Form

Practice Questions for y = mx + c

For the line y = 3x – 2, what is the gradient?

  • A. –2
  • B. 3
  • C. 2
  • D. –3
1 markfoundation

Two students write down equations for parallel lines: Student A writes: y = 2x + 1 Student B writes: y = 2x + 1 Explain why these two lines are NOT parallel to each other.

2 markshigher

Quick Recall Flashcards

What is special about y = mx?
It passes through the origin (0, 0) because c = 0.
What gradient gives a 45° line?
m = 1 (rises 1 unit for every 1 unit across)

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The y = mx + c Formula Breakdown

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Key Properties of y = mx + c