Daily Practice

Higher Plus

6th April 1985

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 1/2. A player expects 48 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 50 < x <= 60 has a frequency density of 1.2. How many values are in that class?
3
Bounds3 marks
A car covers 630 m (to the nearest 10 m) in 3 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
4
Transforming Graphs y=f(x)3 marks
The point (1, 3) lies on y = f(x). Write down its image on y = -f(x).
5
Velocity Time Graphs2 marks
A train slows steadily from 24 m/s to rest in 5 seconds. Work out its deceleration.

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