Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
17th October 2009
- 1Bounds3 marks
A car covers 750 m (to the nearest 10 m) in 4 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
- 2Trigonometric and Exponential Graphs2 marks
The curve y = cos x° is drawn for 0 <= x <= 360. Write down the value of y when x = 0.
- 3Velocity Time Graphs2 marks
A train slows steadily from 23 m/s to rest in 10 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = p. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of m and p.
- 5Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 72 wins. How many games did they play?
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