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 = 3a + 2b and vector RS = 9a + 6b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 30 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 1.2, one 25 units wide with density 3. How many values in total?
- 4Surds3 marks
Expand and simplify (7 + sqrt(3))(7 - sqrt(3)).
- 5Iteration3 marks
Use the iteration x(n+1) = cube root of (8x(n) + 9) with x(0) = 4. Work out x(1) to 3 decimal places.
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