Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 13 cm by 9 cm by 15 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/15. Work out n.
- 3Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 0.4, one 25 units wide with density 3. How many values in total?
- 4Surds3 marks
Rationalise the denominator of 35/sqrt(7), giving your answer in its simplest form.
- 5Quadratic Inequalities3 marks
Solve x^2 + 14x + 48 > 0.
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