Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
4th April 2012
- 1Bounds3 marks
A rectangle is 24 cm by 28 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2Transforming Graphs y=f(x)3 marks
The point (3, 2) lies on y = f(x). Write down its image on y = f(x) + 3.
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 2, y = 32. Work out y when x = 5.
- 4Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = a. X is the point dividing AB in the ratio 3 : 1. Write vector OX in terms of b and a.
- 5Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 2 wins. How many games did they play?
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