Daily Practice

Higher Plus

24th February 1970

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

1
Probability Equation Questions3 marks
The probability of winning a game is 7/8. A player expects 28 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 40 < x <= 45 has a frequency density of 2.4. How many values are in that class?
3
Surds3 marks
Expand and simplify (4 + sqrt(10))(4 - sqrt(10)).
4
Iteration3 marks
Use the iteration x(n+1) = cube root of (7x(n) + 4) with x(0) = 5. Work out x(1) to 3 decimal places.
5
Velocity Time Graphs2 marks
A train slows steadily from 14 m/s to rest in 4 seconds. Work out its deceleration.

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