Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
21st July 2000
- 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 7/8. A player expects 14 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 5-wide bar and a 10-wide bar have the same frequency density of 3. How many more values are in the wider class?
- 4Surds3 marks
Rationalise the denominator of 10/sqrt(5), giving your answer in its simplest form.
- 5Rearranging Harder Formulae3 marks
Make x the subject of 2x + 2 = y(x + 2).
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