Daily Practice · Higher

Daily Practice - Higher

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

30th December 2006

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

1
Conditional Probability3 marks
20 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 3, lower quartile 5, median 7, upper quartile 12 and maximum 20. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 16^(3/2).
4
Inequalities on Graphs3 marks
Does the point (-4, 10) satisfy y > -3x - 6?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 128. Work out y when x = 9.

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