Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
30th October 2018
- 1Surds3 marks
Expand and simplify (3 + sqrt(6))(3 - sqrt(6)).
- 2Proof2 marks
In an algebraic proof, how would you write an even number in terms of an integer n?
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 320. Work out y when x = 3.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = q. M is the point dividing AB in the ratio 3 : 1. Write vector OM in terms of b and q.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 16 wins. How many games did they play?
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