OL SEC 2017 Solutions
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Paper 1

Section A (Concepts and Skills)

1. Depreciation and compound interest
   Topics: Finance

2. Argand diagram, modulus, equations
   Topics: Complex Numbers

3. Quadratic equation, maximising a function
   Topics: Algebraic equations, Differentiation

4. Linear equation, simultaneous equations
   Topics: Algebraic equations

5. Trapezoidal rule
   Topics: Measurement

6. Commission on sales
   Topics: Finance

Section B (Contexts and Applications)

7. Tiling patterns [50 marks]
   Topics: Finance

8. Fibre optics cables [45 marks]
   Topics: Finance, Differentiation

9. Forensic science and Ponderal Index [55 marks]
   Topics: Algebra, Number

Paper 2

Section A (Concepts and Skills)

1. Babies born in Ireland
   Topics: Probability

2. Semi-circle
   Topics: Co-ordinate Geometry

3. Rectangle in a Cartesian plane
   Topics: Co-ordinate Geometry, Trigonometry

4. Construction of a triangle, square and triangle
   Topics: Geometry

5. Empirical rule and probability
   Topics: Probability, Statistics

6. Solving triangles
   Topics: Trigonometry

Section B (Contexts and Applications)

7. Cones sculpture [55 marks]
   Topics: Mensuration, Finance

8. Triangles in a Cartesian plan [40 marks]
   Topics: Co-ordinate Geometry

9. Brexit referendum [55 marks]
   Topics: Statistics