Higher Plus
16th March 1970
- 1Bounds3 marks
A block has mass 700 g (to the nearest 10 g) and volume 19 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
- 2Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 + 4x - 9.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 256. Work out y when x = 3.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = q. N is the point dividing AB in the ratio 2 : 1. Write vector ON in terms of b and q.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 52 wins. How many games did they play?
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