Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
13th March 2025
- 1Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 4/5. Work out n.
- 2Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 3, 0.5, 1, 2. Which class contains the median?
- 3Surds3 marks
Simplify sqrt(45) + sqrt(20), giving your answer in the form a sqrt(b).
- 4Transforming Graphs y=f(x)3 marks
The point (-2, -6) lies on y = f(x). Write down its image on y = f(x) + 5.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 16, y = 12. Work out y when x = 25.
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