Daily Practice

Higher Plus

9th October 1980

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Velocity Time Graphs2 marks
A train slows steadily from 21 m/s to rest in 8 seconds. Work out its deceleration.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = q and vector OB = c. X is the point dividing AB in the ratio 1 : 2. Write vector OX in terms of q and c.
3
Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 42 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 20 < x <= 30 has a frequency density of 3.5. How many values are in that class?
5
Surds3 marks
Simplify sqrt(45) + sqrt(245), giving your answer in the form a sqrt(b).

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