Daily Practice

Higher Plus

23rd October 1987

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
The probability of winning a game is 2/5. A player expects 16 wins. How many games did they play?
2
Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 2, 3, 0.5, 1. Which class contains the median?
3
Surds3 marks
Rationalise the denominator of 9/sqrt(3), giving your answer in its simplest form.
4
Inverse and Composite Functions3 marks
f(x) = 2x + 1 and g(x) = 2x + 9. Work out fg(-3).
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 16, y = 8. Work out y when x = 4.

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