Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
25th August 2022
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = a - 3b and vector RS = 3a - 9b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 32 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 1.2, one 5 units wide with density 3. How many values in total?
- 4Surds3 marks
Simplify sqrt(50) + sqrt(98), giving your answer in the form a sqrt(b).
- 5Factorising Harder Quadratics3 marks
Solve 12x^2 - 23x + 5 = 0.
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