Higher June 2024 Paper 3 Q13
13 Here is a quadratic graph with equation \(\quad y = \mathrm{f}(x)\)
Write down the roots of the equation \(\quad \mathrm{f}(x) = 0\) [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| \((x =)\ -2.2,\ 1.5\) | B2 | B1 at least one of \(-2.2\) and 1.5 with at most one incorrect value or \((-2.2, 0)\) and \((1.5, 0)\) or \((-2.2, 1.5)\) |
Additional guidance
| \((1.5, -2.2)\) | B0 |
| \((0, -2.2)\) and \((0, 1.5)\) | B0 |