Daily Practice

Higher

4th November 1978

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 12, lower quartile 15, median 22, upper quartile 28 and maximum 33. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.
3
Expanding Triple Brackets3 marks
Expand and simplify (x - 1)(x + 3)(x + 1).
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 8.
5
Pythagoras2 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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