Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
12th July 2019
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 6a + 6b and vector RS = 18a + 18b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 4/5. A player expects 52 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2.5, one 10 units wide with density 0.6. How many values in total?
- 4Surds3 marks
Rationalise the denominator of 24/sqrt(2), giving your answer in its simplest form.
- 5Proof2 marks
In an algebraic proof, how would you write a number that leaves a remainder of 1 when divided by 4 in terms of an integer n?
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