Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
14th October 2001
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 5a + b and vector RS = 10a + 2b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 26 wins. How many games did they play?
- 3Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 2, one 5 units wide with density 3.5. How many values in total?
- 4Bounds3 marks
x = 86 and y = 17, each correct to the nearest whole number. Work out the upper bound of x - y.
- 5Transforming Graphs y=f(x)3 marks
The point (1, -2) lies on y = f(x). Write down its image on y = f(-x).
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