Daily Practice - Higher Plus
9th April 1996
- 1Histograms2 marks
On a histogram, a 10-wide bar and a 30-wide bar have the same frequency density of 3. How many more values are in the wider class?
- 2Surds3 marks
Expand and simplify (6 + sqrt(6))(6 - sqrt(6)).
- 3Rearranging Harder Formulae3 marks
Make x the subject of 4x + 5 = y(x + 5).
- 4Velocity Time Graphs3 marks
A cyclist speeds up steadily from 2 m/s to 6 m/s over 10 seconds. Use the area under the velocity-time graph to find the distance travelled.
- 53d Pythagoras and Trigonometry3 marks
A cuboid measures 8 cm by 4 cm by 14 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
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