1. 78% of £17.50 is:
| a) £7.80 | b) £13.65 | c) £1.36 | d) £5.23 | e) £ 4.44 |
2. The gradient of the line y = 5x + 7 is:
| a) 1 | b) 5 | c) 7 | d) 12 | e) 1.4 |
3. The area of a right angled triangle with sides of length 5cm, 12cm and 13cm is:
| a) 780 cm² | b) 156 cm² | c) 65 cm² | d) 60 cm² | e) 30 cm² |
4. In a triangle ABC, AB = 6cm, BC = 9cm and angle ABC = 90°. Find to one decimal place the length of the side AC:
| a) 17 cm | b) 10.9 cm | c) 10.8 cm | d) 15.1cm | e) 15.14 cm |
5. In a triangle ABC, AB = 9.2 cm, BC = 4.1cm and angle ABC = 90°. Find the size of angle CAB to the nearest degree:
| a) 28° | b) 24° | c) 48° | d) 45° | e) none of these |
6. What is the largest square number less than 100?:
| a) 90 | b) 49 | c) 81 | d) 98 | e) none of these |
7. Evaluate (1.7³)² to three significant figures.
| a) 24.1 | b) 10.2 | c) 14.1 | d) 14.2 | e) none of these |
8. Solve the equation 12(2x - 1) = 36:
| a) x = 1 | b) x = 2 | c) x = 3 | d) x = 4 | e) none of these |
9. Solve the equation 2x² - 5x + 3 = 0:
| a) -1.5 and 1 | b) 2 and -3 | c) 3 and -2 | d) 1.5 and 1 | e) none of these |
10. Find the largest root of 7x² - 3x - 1 = 0. Give the answer to three significant figures.
| a) -0.220 | b) 2.20 | c) 7.32 | d) 0.649 | e) none of these |
11. Solve the simultaneous equations:
3x - 2y = 2
2x + 5y = 33
| a) (-4, -5) | b) (4, 5) | c) (-5, -4) | d) (5, 4) | e) none of these |
12. If f(x) = 3(x - 7)(x + 1), find f(2.5):
| a) 47.25 | b) 20.25 | c) 15.5 | d) 0 | e) none of these |