Daily Practice
Higher
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16th October 1977
- 1Box Plots2 marks
A box plot has a minimum of 3 and a maximum of 37. Work out the range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7272... as a fraction in its simplest form.
- 3Expanding Triple Brackets3 marks
Expand and simplify (x + 1)(x + 3)(x - 1).
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 6. Work out y when x = 2.
- 5Pythagoras2 marks
A right-angled triangle has a hypotenuse of 25 cm and one shorter side of 7 cm. Work out the other shorter side.
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