Daily Practice

Higher

8th January 1955

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

1
Conditional Probability3 marks
24 students study Spanish and 12 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 1, lower quartile 4, median 8, upper quartile 18 and maximum 21. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 2^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 8, 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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