Daily Practice
Higher Plus
← All tiers
17th March 1971
- 1Bounds3 marks
A rectangle is 5 cm by 26 cm, each correct to the nearest cm. Work out the upper bound of its area.
- 2Transforming Graphs y=f(x)3 marks
The point (1, -5) 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 sqrt(x). When x = 16, y = 32. Work out y when x = 81.
- 4The Cosine Rule3 marks
A triangle has sides 7 cm, 13 cm and 11 cm. Work out the angle opposite the 7 cm side, to 1 decimal place.
- 5Probability Equation Questions3 marks
A bag holds 5 red and n blue counters. The probability of taking a red is 5/12. Work out n.
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