Daily Practice

Higher Plus

22nd February 1982

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
2
Bounds3 marks
A block has mass 730 g (to the nearest 10 g) and volume 20 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
3
Transforming Graphs y=f(x)3 marks
The point (-1, 1) lies on y = f(x). Write down its image on y = -f(x).
4
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 4 m/s to 14 m/s over 4 seconds. Use the area under the velocity-time graph to find the distance travelled.
5
3d Pythagoras and Trigonometry3 marks
A cuboid measures 12 cm by 5 cm by 9 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.

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