Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
- 1Surds3 marks
Simplify sqrt(50) + sqrt(8), giving your answer in the form a sqrt(b).
- 2Inverse and Composite Functions3 marks
f(x) = 3x + 4. Work out the inverse function f^-1(x).
- 3Velocity Time Graphs2 marks
A train slows steadily from 17 m/s to rest in 10 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = m. M is the point dividing AB in the ratio 3 : 1. Write vector OM in terms of a and m.
- 5Probability Equation Questions3 marks
The probability of winning a game is 9/10. A player expects 27 wins. How many games did they play?
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