1MA0 Higher June 2015 Paper 2 Q7
7
(a) Expand \(7(x + 5)\) (1)
(b) Expand \(3y(4y - 3)\) (1)
(c) Expand and simplify \((t + 2)(t + 4)\) (2)
| Answer | Mark | Notes |
|---|---|---|
| \(7x + 35\) | 1 | B1 cao |
| Answer | Mark | Notes |
|---|---|---|
| \(12y^2 - 9y\) | 1 | B1 cao |
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(t^2 + 2t + 4t + 8\) | \(t^2 + 6t + 8\) | 2 | M1 for all 4 terms (and no additional terms) correct with or without signs or 3 out of no more than 4 terms correct with signs A1 for \(t^2 + 6t + 8\) |