Daily Practice

Higher Plus

6th September 1972

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

1
Histograms2 marks
On a histogram, a 10-wide bar and a 20-wide bar have the same frequency density of 2. How many more values are in the wider class?
2
Bounds3 marks
A rectangle is 9 cm by 17 cm, each correct to the nearest cm. Work out the upper bound of its area.
3
Inverse and Composite Functions3 marks
f(x) = 2x - 5 and g(x) = 6x - 5. Work out fg(3).
4
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 2 m/s to 18 m/s over 12 seconds. Use the area under the velocity-time graph to find the distance travelled.
5
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 3a + 4b and vector RS = 6a + 8b. What does this show about PQ and RS?

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