Daily Practice

Higher

19th January 1964

5 questions · 14 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 = 3. Work out y when x = 3.
2
Vectors3 marks
a is the column vector (5, -6) and b is (-6, 0). Work out 4a - 5b as a column vector.
3
Probability Trees3 marks
3 of 5 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 20 and a maximum of 52. Work out the range.
5
Fractional and Negative Indices3 marks
Work out 49^(3/2).

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