Daily Practice - Higher Plus
25th November 1993
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 6a + 4b and vector RS = 12a + 8b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 8 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 2.5, one 5 units wide with density 3. How many values in total?
- 4Surds3 marks
Simplify sqrt(48) + sqrt(48), giving your answer in the form a sqrt(b).
- 5Inverse and Composite Functions3 marks
f(x) = 5x - 1. Work out the inverse function f^-1(x).
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