Daily Practice · Higher Plus

Daily Practice - Higher Plus

Grades 8-9 - exam-stretch algebra, geometry and reasoning.

26th June 2002

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
A rectangle is 23 cm by 20 cm, each correct to the nearest cm. Work out the upper bound of its area.
2
Transforming Graphs y=f(x)3 marks
The point (4, -4) lies on y = f(x). Write down its image on y = -f(x).
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 25, y = 20. Work out y when x = 16.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = q. P is the point dividing AB in the ratio 1 : 2. Write vector OP in terms of m and q.
5
Probability Equation Questions3 marks
The probability of winning a game is 3/10. A player expects 9 wins. How many games did they play?

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