Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
4th October 2002
- 1Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 28 wins. How many games did they play?
- 2Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 0.5, 1, 3, 2. Which class contains the median?
- 3Surds3 marks
Rationalise the denominator of 27/sqrt(3), giving your answer in its simplest form.
- 4Algebraic Fractions3 marks
Write 5/(x - 4) + 2/(x - 6) as a single fraction.
- 5Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 2, y = 9. Work out y when x = 3.
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