Daily Practice - Higher Plus
19th January 1995
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 4a + b and vector RS = 8a + 2b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 4/5. A player expects 60 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 2.5, one 20 units wide with density 3.5. How many values in total?
- 4Surds3 marks
Simplify sqrt(75) + sqrt(3), giving your answer in the form a sqrt(b).
- 5Iteration3 marks
Use the iteration x(n+1) = cube root of (11x(n) + 9) with x(0) = 1. Work out x(1) to 3 decimal places.
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