4400 Higher November 2009 Paper 4 Q14
14
(a) Complete the table of values for \(y = x^3 - 3x^2 + 12\)
(2)
| \(x\) | −2 | −1 | 0 | 1 | 2 | 3 |
|---|---|---|---|---|---|---|
| \(y\) | 8 |
(b) On the grid, draw the graph of \(y = x^3 - 3x^2 + 12\)
| Scheme | Marks |
|---|---|
| −8, (8), 12, 10, 8, 12 | B2 |
| (2) |
Notes
B2: for all correct (B1 for 3 correct)
| Scheme | Marks |
|---|---|
| Points | B1 |
| Curve | B1 |
| (2) | |
| (4 marks) |
Notes
B1: Allow ± ½ sq ft from table if at least B1 scored in (a)
B1: ft if B1 for points
Award for single curve (not line segments) which does not miss more than one plotted point by more than ½ square