Daily Practice · Higher Plus

Daily Practice - Higher Plus

31st August 1994

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

1
Bounds3 marks
A rectangle is 27 cm by 23 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 (-1, 5) lies on y = f(x). Write down its image on y = f(x) - 5.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 25, y = 25. Work out y when x = 81.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 11 cm and an area of 28.58 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 7 counters, r of them red. Two are taken without replacement and P(both red) = 2/7. Work out r.

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