Daily Practice · Higher

Daily Practice - Higher

30th October 1993

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

1
Inequalities on Graphs2 marks
A region is defined by y <= -4x - 7. Should the boundary line be solid or dashed, and why?
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 3.
3
Spheres and Cones3 marks
A cone has base radius 5 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.
4
Probability Trees3 marks
A bag holds 4 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Box Plots2 marks
A box plot has minimum 15, lower quartile 23, median 30, upper quartile 36 and maximum 38. Work out the interquartile range.

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