Higher November 2017 Paper 4 Q16
16
(a) Write \(x^2 - 6x + 20\) in the form \((x - a)^2 + b\). [3]
(b) Write down the turning point of the graph of \(y = x^2 - 6x + 20\). [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \((x - 3)^2 + 11\) final answer | 3 | B1 for \((x - 3)^2\) B2 for +11 or FT their \((x - 3)^2\) | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (3, 11) | 2 | B1FT for each part | FT their \((x - a)^2 + b\) e.g. \((a, b)\) |