OL SEC 2014 Solutions
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Paper 1

Section A (Concepts and Skills)

1. Profit and loss, percentage profit
   Topics: Finance

2. Adding and dividing complex numbers
   Topics: Complex Numbers

3. Linear equations, simultaneous equations
   Topics: Algebra

4. Quadratic equation and graphs, transformations
   Topics: Algebraic Equations, Functions

5. Cubic functions, local max and min
   Topics: Functions, Differentiation

6. Arithmetic sequence, summing sequence
   Topics: Sequences and Series

Section B (Contexts and Applications)

7. Mary buys a car [35 marks]
   Topics: Finance

8. Rectangular box [40 marks]
   Topics: Algebra, Differentiation, Measurement

9. Rocket launch [75 marks]
   Topics: Functions, Differentiation, Co-ordinate Geometry

Paper 2

Section A (Concepts and Skills)

1. Picking cars in a garage
   Topics: Probability

2. Bernoulli trials
   Topics: Probability

3. Tangent to a circle
   Topics: Co-ordinate geometry

4. Area of a triangle
   Topics: Co-ordinate geometry

5. Sector of a circle
   Topics: Measurement, Trigonometry

6. Constructing the incircle
   Topics: Geometry

Section B (Contexts and Applications)

7. Property tax [70 marks]
   Topics: Statistics, Finance

8. Wind turbines [50 marks]
   Topics: Number, Trigonometry

9. Activity centre zip-lines [30 marks]
   Topics: Trigonometry