Daily Practice

Higher Plus

24th September 1982

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 = 2a - 2b and vector RS = 10a - 10b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 8 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 1.2, one 20 units wide with density 3.5. How many values in total?
4
Surds3 marks
Rationalise the denominator of 35/sqrt(7), giving your answer in its simplest form.
5
Inverse and Composite Functions3 marks
f(x) = 6x - 9. Work out the inverse function f^-1(x).

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