Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
3rd March 2020
- 1Probability Equation Questions3 marks
The probability of winning a game is 9/10. A player expects 54 wins. How many games did they play?
- 2Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 2, 0.5, 3, 1. Which class contains the median?
- 3Surds3 marks
Expand and simplify (2 + sqrt(11))(2 - sqrt(11)).
- 4Transforming Graphs y=f(x)3 marks
The point (5, 3) lies on y = f(x). Write down its image on y = f(-x).
- 5Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 16. Work out y when x = 2.
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