Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
11th July 2002
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 6a - 4b and vector RS = 18a - 12b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 4 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 4-wide bar and a 16-wide bar have the same frequency density of 2.5. How many more values are in the wider class?
- 4Surds3 marks
Simplify sqrt(27) + sqrt(3), giving your answer in the form a sqrt(b).
- 5Algebraic Fractions3 marks
Write 6/(x - 1) + 6/(x - 3) as a single fraction.
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