Finding the equation of a line

Work out the equation of a straight line from its graph, from a point and the gradient, or from two points.

⏱ 20 min❓ 11 questions

What you'll be able to do

✔I can write the equation of a line by reading its gradient and y-intercept from a graph
✔I can find the equation of a line given a point and the gradient
✔I can find the equation of a line through two points and check it

How this works

1Read the short explanations first — they teach you what you need before each question.
2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.

What's inside

11 questions and 1 quick teaching card, including:

🔘Multiple choice — Tap the answer you think is best, then check it.
🔢Number answer — Work out the answer and type the number.

👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.

Curriculum: AC9M9A04