Topics Algebra – Can I solve a linear inequality? Last Needed – 2013* *Compound Inequalities (which are no longer on syllabus) preferred in recent years. 1 ▶ 2016 LCOL Paper 1 – Question 3 (c) ☐ Applied Arithmetic – Can I convert from one currency to another? Last Needed - 2022 2 ▶ 2011 JCOL Paper 1 – Question 2 (c) ☐ Number – Can I work with Scientific Notation? Last Needed - 2020 3 ▶ 2007 JCHL Paper 1 – Question 1 (b) (i) ☐ Trigonometry – Can I use Pythagoras Theorem and the Trigonometric Ratios? Last Needed - 2022 4 ▶ 2011 JCHL Paper 2 – Question 5 (b) ☐ Coordinate Geometry – Can I find the distance between 2 points? Last Needed - 2022 5 ▶ 2008 JCHL Paper 2 – Question 2 (a) ☐ www.mathspoints.ie for worked solutions to these questions. 📁 JCHL Resources by Topic 📁 JCHL Weekly Revision 1 ▶ 2016 LCOL Paper 1 – Question 3 (c) List all the values of 𝑥 that satisfy the inequality 2(2𝑥 − 3) + 6𝑥 < 25, where 𝑥 ∈ ℕ. 2 2 ▶ 2011 JCOL Paper 1 – Question 2 (c) (iii) Before going on holidays to the USA Seán changed €500 into dollars. The exchange rate was €1 = US$1.22 How many dollars did Seán get? (iv) When Seán came home he changed US$50 back into euro (€). The exchange rate was the same. How much, in euro, did Seán receive? Give your answer to the nearest cent. 3 3 ▶ 2005 JCHL Paper 1 – Question 1 (b) (i) Light travels at a speed of approximately (2.9 × 105 ) km / sec. How many kilometres will light travel in 8 minutes? Express your answer in the form 𝑎 × 10𝑛 , where 𝑛 ∈ ℕ and 1 ≤ 𝑎 < 10. 4 4 ▶ 2012 JCHL Paper 2 – Question 5 (b) In the diagram 𝐴𝐵𝐶 is a right-angled triangle, with 𝐴𝐶 perpendicular to 𝐵𝐶. |𝐴𝐶| = 2√2 and |𝐵𝐶| = 3√3. Calculate (i) |𝐴𝐵|, leaving your answer in surd form (ii) |∠𝐴𝐵𝐶|, correct to the nearest degree. 5 5 ▶ 2008 JCHL Paper 2 – Question 2 (a) 𝑎 (3, 6) and 𝑏 (−1, 3) are two points. Find |𝑎𝑏|. 6