1MA0 Higher June 2013 Paper 1 Q4
4
(a) Expand \(3(2 + t)\) (1)
(b) Expand \(3x(2x + 5)\) (2)
(c) Expand and simplify \((m + 3)(m + 10)\) (2)
| Answer | Mark | Notes |
|---|---|---|
| \(6 + 3t\) | 1 | B1 for \(6 + 3t\) |
| Answer | Mark | Notes |
|---|---|---|
| \(6x^2 + 15x\) | 2 | B2 for \(6x^2 + 15x\) (B1 for \(6x^2\) or \(15x\)) |
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(m^2 + 10m + 3m + 30\) | \(m^2 + 13m + 30\) | 2 | M1 for all 4 terms (and no additional terms) correct with or without signs or 3 out of no more than four terms correct with signs A1 for \(m^2 + 13m + 30\) |