Daily Practice

Higher Plus

6th July 1961

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 20-wide bar have the same frequency density of 2. How many more values are in the wider class?
2
Surds3 marks
Simplify sqrt(27) + sqrt(3), giving your answer in the form a sqrt(b).
3
Inverse and Composite Functions3 marks
f(x) = 4x - 7 and g(x) = 3x + 3. Work out fg(0).
4
Velocity Time Graphs3 marks
A cyclist speeds up steadily from 5 m/s to 23 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 = 4a - 3b and vector RS = 12a - 9b. What does this show about PQ and RS?

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