Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
29th January 2013
- 1Surds3 marks
Expand and simplify (7 + sqrt(5))(7 - sqrt(5)).
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 2, 2, 4, 8, ...
- 3Velocity Time Graphs2 marks
A train slows steadily from 19 m/s to rest in 5 seconds. Work out its deceleration.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = m. P is the point dividing AB in the ratio 1 : 3. Write vector OP in terms of c and m.
- 5Probability Equation Questions3 marks
The probability of winning a game is 4/5. A player expects 48 wins. How many games did they play?
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