Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + 2b and vector RS = 25a + 10b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 18 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 0.4, one 10 units wide with density 3.5. How many values in total?
- 4Surds3 marks
Rationalise the denominator of 77/sqrt(11), giving your answer in its simplest form.
- 5Iteration3 marks
Use the iteration x(n+1) = cube root of (2x(n) + 9) with x(0) = 3. Work out x(1) to 3 decimal places.
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