← 2.2 Equations of Straight Lines

Steepness we can see

Mathematics · Grade 9 · about 40 minutes

Steepness is something you already judge by eye and by effort; gradient is the number that records it.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 10 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account