Daily Practice · Higher

Daily Practice - Higher

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

6th October 2024

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 = 7, y = 2. Work out y when x = 2.
2
Vectors3 marks
a is the column vector (-2, -3) and b is (6, -4). Work out 2a - 2b as a column vector.
3
Probability Trees3 marks
7 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 a minimum of 19 and a maximum of 65. Work out the range.
5
Fractional and Negative Indices3 marks
Work out 27^(2/3).

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