Daily Practice

Higher

2nd February 1975

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 (-3, -2) and b is (3, -2). Work out 3a - 3b as a column vector.
3
Probability Trees3 marks
5 of 7 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 11 and a maximum of 30. Work out the range.
5
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.

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