Links to other Year 9 Revision exercises - Ex 1.1 | Ex 1.2 | Ex 1.3 | Ex 1.4 | Ex 1.5 | Ex 1.7 | Ex 2.1 | Ex 2.2 | Ex 2.3 | Ex 2.4 | Ex 3.1 | Ex 3.2 | Ex 3.3 | Ex 3.4 | Ex 3.5 | Ex 4.1 | Ex 4.2 | Ex 4.3 | Ex 4.4 | Ex 4.5
These answers are given merely to help with revision. In order to get full marks all working out must be shown.
| 4 | a) | x = 3(p + q) | |
| b) | z = 2xy | ||
| c) | z = x + y − xy | ||
| 5 | a) | 7 | |
| b) | 5 | ||
| c) | 7 | ||
| 6 | a) | 1, 4, 7, 10, 28 | |
| b) | 4n | ||