Higher Plus
2nd September 1970
- 1Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 16. Work out y when x = 2.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = p. P is the midpoint. Write vector OP in terms of b and p.
- 3Probability Equation Questions3 marks
The probability of winning a game is 5/8. A player expects 60 wins. How many games did they play?
- 4Histograms3 marks
A histogram has four 10-wide classes from 0, with frequency densities 0.5, 2, 1, 3. Which class contains the median?
- 5Bounds3 marks
A rectangle is 27 cm by 8 cm, each correct to the nearest cm. Work out the upper bound of its area.
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