Daily Practice · Higher Plus

Daily Practice - Higher Plus

8th March 1992

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

1
Bounds3 marks
x = 45 and y = 17, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Inverse and Composite Functions3 marks
f(x) = 3x + 2 and g(x) = 5x - 1. Work out fg(0).
3
Velocity Time Graphs2 marks
A train slows steadily from 28 m/s to rest in 8 seconds. Work out its deceleration.
4
The Cosine Rule3 marks
A triangle has sides of 8 cm and 17 cm with an angle of 88° between them. Work out the third side, to 1 decimal place.
5
Conditional Probability3 marks
A bag holds 6 red, 6 blue and 5 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?

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