Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
14th February 2010
- 1Bounds3 marks
x = 73 and y = 9, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2Completing the Square3 marks
Write x^2 + 8x + 11 in the form (x + a)^2 + b.
- 3Velocity Time Graphs2 marks
A train slows steadily from 34 m/s to rest in 10 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = p and vector OB = q. N is the point dividing AB in the ratio 1 : 3. Write vector ON in terms of p and q.
- 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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