Daily Practice

Higher Plus

28th January 1983

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

1
3d Pythagoras and Trigonometry3 marks
A cuboid measures 10 cm by 10 cm by 4 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
2
Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 1/3. Work out n.
3
Histograms2 marks
On a histogram, a 5-wide bar and a 20-wide bar have the same frequency density of 3. How many more values are in the wider class?
4
Surds3 marks
Rationalise the denominator of 84/sqrt(7), giving your answer in its simplest form.
5
Transforming Graphs y=f(x)3 marks
The point (-2, -1) lies on y = f(x). Write down its image on y = f(x + 2).

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