Daily Practice

Higher Plus

30th January 1990

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

1
Surds3 marks
Expand and simplify (8 + sqrt(5))(8 - sqrt(5)).
2
Rearranging Harder Formulae3 marks
Make x the subject of 7x + 8 = y(x + 8).
3
Velocity Time Graphs2 marks
A train slows steadily from 38 m/s to rest in 10 seconds. Work out its deceleration.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = p and vector OB = a. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of p and a.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 48 wins. How many games did they play?

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