Daily Practice
Higher
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12th January 1975
- 1Box Plots2 marks
A box plot has a minimum of 7 and a maximum of 27. Work out the range.
- 2Bounds2 marks
A mass is 23.5 kg, correct to 1 decimal place. Write down the upper bound.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x - 2)(x - 5)(x + 3).
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 6. Work out y when x = 3.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
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