Daily Practice

Higher

18th May 1985

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
13 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 11, lower quartile 16, median 22, upper quartile 24 and maximum 33. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 6^-1 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 2x + 12, work out y when x = 4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 8.

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