Daily Practice · Higher

Daily Practice - Higher

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

20th April 2008

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

1
Expanding and Factorising Quadratics3 marks
Factorise x^2 + x - 12.
2
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 8. Work out y when x = 4.
3
The Sine Rule3 marks
In triangle ABC, angle A is 77°, angle B is 41° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.
4
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 12 in B only, 10 in both and 5 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 53. Work out the range.

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