Daily Practice · Higher

Daily Practice - Higher

26th October 1991

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

1
Conditional Probability3 marks
15 students study Spanish and 7 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 10, lower quartile 16, median 24, upper quartile 26 and maximum 31. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + x - 3, work out y when x = -2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 9.

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