Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
15th November 2015
- 1Bounds3 marks
x = 176 and y = 61, each correct to the nearest whole number. Work out the upper bound of x - y.
- 2The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence -3, -5, -5, -3, ...
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 2, y = 24. Work out y when x = 3.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = b. M is the point dividing AB in the ratio 3 : 1. Write vector OM in terms of a and b.
- 5Probability Equation Questions3 marks
The probability of winning a game is 7/10. A player expects 77 wins. How many games did they play?
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