Higher November 2023 Paper 1 Q6
6. The diagram below shows an equilateral triangle and a square.
Diagram not drawn to scale
Use an algebraic method to find the value of \(x\) and the value of \(y\).
You must show all your working. [5]
| Scheme | Marks | Comments |
|---|---|---|
| \(2x + 3 = 8\) | M1 | |
| \(x = 2.5\) | A1 | |
| \(7\times2.5 - 5y = 10\) oe | M2 | FT ‘their stated/derived 2.5’ M1 for \(7x - 5y = 10\) |
| \(y = 1.5\) | A1 | |
| (5) |