Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
6th August 1997
- 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 1/8. A player expects 7 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 5-wide bar and a 15-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
- 4Bounds3 marks
A rectangle is 26 cm by 24 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5Transforming Graphs y=f(x)3 marks
The point (-6, -4) lies on y = f(x). Write down its image on y = f(-x).
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