Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
18th April 2018
- 1Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = a - b and vector RS = 2a - 2b. What does this show about PQ and RS?
- 2Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 9 wins. How many games did they play?
- 3Histograms2 marks
On a histogram, a 4-wide bar and a 12-wide bar have the same frequency density of 2. How many more values are in the wider class?
- 4Bounds3 marks
A rectangle is 26 cm by 28 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 5Inverse and Composite Functions3 marks
f(x) = 6x + 7 and g(x) = 2x + 4. Work out fg(0).
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