| Quiz | Error intervals and bounds |
|---|---|
| Name | |
| Result | PASSED |
| Score | 14 / 14 (100%) |
| Passing score | 11.2 |
| Quiz took | 1 min 30 sec |
| Quiz finished at | 2024-11-11 10:55:37 |
The length of a rectangle is 12 cm to the nearest cm and its height is 4 cm to the nearest cm. Work out the upper bound for the area of the rectangle. You may use a calculator.
The length of a rectangle is 8 cm to the nearest cm and its height is 3 cm to the nearest cm. Work out the lower bound for the perimeter of the rectangle. You may use a calculator.
The length of a rectangle is 6 cm to the nearest cm and its height is 2.8 cm to the nearest mm. Work out the lower bound for the perimeter of the rectangle. You may use a calculator.
The length of a football pitch is 105 m to the nearest 5 m and its width is 70 m to the nearest 5 m. Work out the upper bound for the area of the football pitch. You may use a calculator.
A circle has a radius of 2.46 cm, correct to two decimal places. Work out the upper bound for the area of the circle, giving your answer to two decimal places. You may use a calculator.
A circle has a radius of 12.1 cm, correct to one decimal place. Work out the lower bound for the circumference of the circle, giving your answer in terms of π. You may use a calculator.
F = ma The mass of a rocket is 1200 kg to the nearest 100 kg. The rocket accelerates at 24.54 m/s2, correct to two decimal places. Work out the lower bound for the force acting on the rocket. You may use a calculator.
A cycle travels 800 m to the nearest 5 m, over a period of 90 seconds to the nearest 10 seconds. speed = \frac{dis\mathrm{tan}ce}{time} Work out the upper bound for the speed of the cycle, giving your answer to two decimal places. You may use a calculator.
A cycle travels 800 m to the nearest 5 m, over a period of 90 seconds to the nearest 10 seconds. speed = \frac{dis\mathrm{tan}ce}{time} Work out the lower bound for the speed of the cycle, giving your answer to two decimal places. You may use a calculator.
Look at the diagram of the right-angled triangle. a = 6 m, correct to the nearest 0.5 m. b = 10 m, correct to the nearest 1 m. Work out the lower bound for c, giving your answer to three significant figures. You may use a calculator.
Look at the diagram of the right-angled triangle. b = 12.5 cm, correct to the nearest 0.5 cm. c = 13.4 cm, correct to the nearest 0.1 cm. Work out the lower bound for a, giving your answer to three significant figures. You may use a calculator.
Look at the diagram of the right-angled triangle. b = 12.5 cm, correct to the nearest 0.5 cm. c = 13.4 cm, correct to the nearest 0.1 cm. Work out the upper bound for a, giving your answer to three significant figures. You may use a calculator.
v2 = u2 + 2as v = 36.4 m/s, correct to the nearest one decimal place. a = 10.6 m/s2, correct to the nearest one decimal place. s = 58 m, correct to the nearest metre. Work out the upper bound for u, giving your answer to two decimal places. You may use a calculator.
v2 = u2 + 2as v = 36.4 m/s, correct to the nearest one decimal place. a = 10.6 m/s2, correct to the nearest one decimal place. s = 58 m, correct to the nearest metre. Work out the lower bound for u, giving your answer to two decimal places. You may use a calculator.