MA15-05 Maths Coming soon
Gradient and Y-Intercept via y=mx+c
MA15-05
This lesson is coming soon.
In this lesson
Rearrange a linear equation into y = mx + c form, then correctly read off the gradient and y-intercept, graphically and algebraically.
What it covers
- Rearranging a linear equation (e.g. ay + bx = c) into y = mx + c form as a mandatory first step
- Reading off the gradient m and y-intercept c only once the equation is in that form
- Recognising the special cases y = k (horizontal line, gradient 0) and x = k (vertical line, undefined gradient) without forcing them into the y=mx+c template
Key words
For: AQA GCSE 8300, Edexcel GCSE 1MA1, Eduqas GCSE C300, Edexcel IGCSE 4MA1, OCR GCSE J560, Cambridge IGCSE 0580
On the specification
| Board | Spec | Statement |
|---|---|---|
| AQA GCSE 8300 | A10 | Identify and interpret gradients and intercepts of linear functions graphically and algebraically |
| Edexcel GCSE 1MA1 | A10 | Identify and interpret gradients and intercepts of linear functions graphically and algebraically |
| Eduqas GCSE C300 | FA10 | Identify and interpret gradients and intercepts of linear functions graphically and algebraically |
| Eduqas GCSE C300 | HA10 | Identify and interpret gradients and intercepts of linear functions graphically and algebraically |
| Edexcel IGCSE 4MA1 | F3.3H | Recognise that equations of the form y = mx + c are straight line graphs with gradient m and intercept on the y-axis at the point (0, c) |
| OCR GCSE J560 | 7.02a | Find and interpret the gradient and intercept of straight lines, graphically and using y = mx + c . |
| Cambridge IGCSE 0580 | C3.5 | Interpret and obtain the equation of a straight-line graph in the form y = mx + c. |
| Cambridge IGCSE 0580 | E3.5 | Interpret and obtain the equation of a straight-line graph. |
For teachers
This GCSE Maths lesson teaches gradient and Y-Intercept via y=mx+c. By the end, students should be able to rearrange a linear equation into y = mx + c form, then correctly read off the gradient and y-intercept, graphically and algebraically. It works through two worked examples and the mistakes examiners report.