Foundation November 2021 Paper 1 Q15
15
(a) Expand \(2(a + d)\) (1)
(b) Factorise \(6y^2 - 5y\) (1)
(c) Solve \(4x - 7 = 37\) (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(2a + 2d\) | B1 | cao |
Additional guidance
Accept \(2 \times a + 2 \times d\)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(y(6y - 5)\) | B1 | cao |
Additional guidance
Accept \(y \times (6y - 5)\)
| Answer | Mark | Mark scheme |
|---|---|---|
| 11 | M1 | for isolating \(x\) terms, eg \(4x = 37 + 7\) or \(4x = 44\) or for \(x - \frac{7}{4} = \frac{37}{4}\) or for \(37 + 7 = 44\) followed by \(\text{``}44\text{''} \div 4\ (= 11)\) |
| A1 | cao |