Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
2nd April 2021
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 3a + b and vector RS = 9a + 3b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 10 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 4-wide bar and a 12-wide bar have the same frequency density of 2.5. How many more values are in the wider class?
- 4Surds3 marks
Rationalise the denominator of 18/sqrt(6), giving your answer in its simplest form.
- 5Factorising Harder Quadratics3 marks
Solve 12x^2 + 11x - 5 = 0.
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