Daily Practice

Higher

6th November 1977

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 = 2, y = 12. Work out y when x = 4.
2
Vectors3 marks
a is the column vector (-6, 0) and b is (-5, -6). Work out 4a - 3b as a column vector.
3
Probability Trees3 marks
1 of 10 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 4 and a maximum of 64. Work out the range.
5
Fractional and Negative Indices2 marks
Write 8^-2 as a fraction.

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