Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
27th February 2000
- 1Velocity Time Graphs2 marks
A train slows steadily from 40 m/s to rest in 4 seconds. Work out its deceleration.
- 2Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = p and vector OB = a. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of p and a.
- 3Probability Equation Questions3 marks
The probability of winning a game is 1/8. A player expects 8 wins. How many games did they play?
- 4Histograms3 marks
On a histogram the bar for 10 < x <= 20 has a frequency density of 3.5. How many values are in that class?
- 5Bounds3 marks
x = 105 and y = 19, each correct to the nearest whole number. Work out the upper bound of x - y.
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