Daily Practice · Higher

Daily Practice - Higher

4th February 1995

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Expanding Triple Brackets3 marks
Expand and simplify (x + 4)(x - 4)(x + 1).
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 80. Work out y when x = 5.
3
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 15 cm and one shorter side of 9 cm. Work out the other shorter side.
4
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 17 in B only, 11 in both and 1 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has minimum 3, lower quartile 6, median 16, upper quartile 18 and maximum 26. Work out the interquartile range.

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