Daily Practice - Higher Plus
1st January 1992
- 1Histograms2 marks
On a histogram, a 4-wide bar and a 12-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 2Bounds3 marks
A rectangle is 4 cm by 18 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 3Quadratic Inequalities3 marks
Solve x^2 + 7x + 12 > 0.
- 4Velocity Time Graphs3 marks
A cyclist speeds up steadily from 3 m/s to 17 m/s over 6 seconds. Use the area under the velocity-time graph to find the distance travelled.
- 53d Pythagoras and Trigonometry3 marks
A cuboid measures 5 cm by 7 cm by 3 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
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