Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
13th April 2016
- 1Bounds3 marks
A rectangle is 18 cm by 27 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 - 16x - 2.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 49, y = 21. Work out y when x = 36.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = m. M is the point dividing AB in the ratio 1 : 2. Write vector OM in terms of q and m.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/8. A player expects 14 wins. How many games did they play?
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