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.
| 1 | a) | 4, −3 | |
| b) | 0, 5 | ||
| 2 | a) | 7, −2 | |
| b) | 0, 3 | ||
| c) | 6 | ||
| 3 | b) | x(x + 5) = 24 8 cm × 3 cm | |
| 7 | a) | 19.6 cm² | |
| b) | 354 cm² | ||
| 8 | a) | 31.4 cm | |
| b) | 188.5 cm² | ||
| 9 | a) | i) | 26 cm² |
| ii) | 9 cm | ||
| b) | 5.53 cm | ||