Daily Practice

Higher Plus

30th September 1958

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 = 4a + 2b and vector RS = 8a + 4b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 66 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 0.4, one 5 units wide with density 0.6. How many values in total?
4
Surds3 marks
Expand and simplify (6 + sqrt(7))(6 - sqrt(7)).
5
Iteration3 marks
Use the iteration x(n+1) = cube root of (3x(n) + 7) with x(0) = 3. Work out x(1) to 3 decimal places.

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