Daily Practice · Higher

Daily Practice - Higher

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

15th May 2005

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 6 and a maximum of 34. Work out the range.
3
Fractional and Negative Indices3 marks
Work out 81^(3/2).
4
Factorising Harder Quadratics3 marks
Factorise 4x^2 + 12x + 5.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 12. Work out y when x = 12.

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