Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 22 wins. How many games did they play?
- 2Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 1, 3, 2, 0.5. Which class contains the median?
- 3Surds3 marks
Rationalise the denominator of 20/sqrt(2), giving your answer in its simplest form.
- 4Inverse and Composite Functions3 marks
f(x) = 6x - 3 and g(x) = 2x + 5. Work out fg(-2).
- 5Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 5, y = 18. Work out y when x = 3.
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