Daily Practice

Higher

24th September 1967

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 12. Work out y when x = 4.
2
Vectors3 marks
a is the column vector (-5, -2) and b is (4, 5). Work out 2a - 4b as a column vector.
3
Probability Trees3 marks
3 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has a minimum of 7 and a maximum of 22. Work out the range.
5
Fractional and Negative Indices2 marks
Write 8^-2 as a fraction.

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