Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

26th July 2015

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 = 3, y = 12. Work out y when x = 6.
2
Vectors3 marks
a is the column vector (1, 6) and b is (5, 6). Work out 2a - 4b as a column vector.
3
Probability Trees3 marks
2 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 5 and a maximum of 19. Work out the range.
5
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.

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