Daily Practice · Higher Plus

Daily Practice - Higher Plus

15th December 1995

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 3a - 3b and vector RS = 9a - 9b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 7/8. A player expects 70 wins. How many games did they play?
3
Histograms2 marks
On a histogram, a 5-wide bar and a 20-wide bar have the same frequency density of 2.5. How many more values are in the wider class?
4
Surds3 marks
Rationalise the denominator of 50/sqrt(5), giving your answer in its simplest form.
5
Inverse and Composite Functions3 marks
f(x) = 4x - 5 and g(x) = 6x - 2. Work out fg(-2).

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