Daily Practice

Higher Plus

21st February 1963

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

1
Surds3 marks
Simplify sqrt(50) + sqrt(72), giving your answer in the form a sqrt(b).
2
Inverse and Composite Functions3 marks
f(x) = 4x + 4 and g(x) = 3x - 6. Work out fg(1).
3
Velocity Time Graphs2 marks
A train slows steadily from 21 m/s to rest in 4 seconds. Work out its deceleration.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = c. P is the point dividing AB in the ratio 1 : 3. Write vector OP in terms of b and c.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 14 wins. How many games did they play?

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