Application: area and dimensions
Essential Mathematics · Grade 11 · about 40 minutes
Form and solve a quadratic equation from an area problem, rejecting the impossible root.
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.
- 8 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
Other lessons in this sub-strand
- What a quadratic equation is
- Forming equations from stories
- Solving by factorisation
- More factorising patterns
- Completing the square
- The turning point
- The quadratic formula
- The discriminant
- Graphs of quadratic functions
- Solving an equation from a graph
- Application: area and dimensions
- Application: speed, distance and time
- Application: money and profit
- Application: consecutive numbers
- A line and a curve
- Quadratic equations: mixed review