Daily Practice

Higher Plus

12th November 1968

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
3d Pythagoras and Trigonometry3 marks
A cuboid measures 9 cm by 15 cm by 11 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
2
Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 1/3. Work out n.
3
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 2.5, one 10 units wide with density 3.5. How many values in total?
4
Surds3 marks
Expand and simplify (3 + sqrt(11))(3 - sqrt(11)).
5
Inverse and Composite Functions3 marks
f(x) = 2x - 7 and g(x) = 4x + 9. Work out fg(1).

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