Daily Practice · Higher Plus

Daily Practice - Higher Plus

25th October 1995

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

1
Bounds3 marks
A rectangle is 8 cm by 9 cm, each correct to the nearest cm. Work out the upper bound of its area.
2
Inverse and Composite Functions3 marks
f(x) = 3x + 3 and g(x) = 5x + 1. Work out fg(0).
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 27. Work out y when x = 3.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 11 cm and 7 cm and an area of 19.25 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 5 counters, r of them red. Two are taken without replacement and P(both red) = 3/10. Work out r.

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