Daily Practice · Higher Plus

Daily Practice - Higher Plus

26th August 1996

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

1
Bounds3 marks
A block has mass 430 g (to the nearest 10 g) and volume 18 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
2
Inverse and Composite Functions3 marks
f(x) = 5x - 7 and g(x) = 6x - 7. Work out fg(-3).
3
Velocity Time Graphs2 marks
A train slows steadily from 36 m/s to rest in 4 seconds. Work out its deceleration.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = a. X is the midpoint. Write vector OX in terms of c and a.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 24 wins. How many games did they play?

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