Daily Practice

Higher Plus

18th November 1983

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

1
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 6a - 3b and vector RS = 12a - 6b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 90 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2.5, one 5 units wide with density 1.4. How many values in total?
4
Surds3 marks
Rationalise the denominator of 132/sqrt(11), giving your answer in its simplest form.
5
Iteration3 marks
Use the iteration x(n+1) = cube root of (6x(n) + 7) with x(0) = 2. Work out x(1) to 3 decimal places.

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