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y = mx + c

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 be part of a solid GCSE revision cycle.

Study this topic

1

Building the Perfect Equation

Introduction2

The y = mx + c Formula Breakdown

Key Facts3

Visual Guide to y = mx + c

Diagram4

Key Properties of y = mx + c

Key Facts5

Converting to y = mx + c Form

Deep Dive6

Working with y = mx + c

Key Facts7

Worked Examples

Deep Dive8

Exam Tips for y = mx + c

Exam Tips9

Special Cases and Variations

Deep Dive

Sample 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)

Sample Questions

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

10

exam-style questions

20

revision flashcards

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