New Quiz 3: Maths...

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

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