Daily Practice

Higher

2nd July 1960

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 4.
2
Vectors3 marks
a is the column vector (-6, -3) and b is (-2, -6). Work out 2a - 4b as a column vector.
3
Probability Trees3 marks
2 of 9 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 minimum 1, lower quartile 6, median 8, upper quartile 18 and maximum 26. Work out the interquartile range.
5
Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.

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