Daily Practice

Higher

18th January 1969

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

1
Conditional Probability3 marks
13 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 12, lower quartile 20, median 28, upper quartile 37 and maximum 41. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 11x - 7 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 252. Work out y when x = 2.

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