Daily Practice

Higher

30th April 1977

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

1
Conditional Probability3 marks
10 students study Spanish and 4 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 15, lower quartile 19, median 23, upper quartile 29 and maximum 35. Work out the interquartile range.
3
Standard Form3 marks
Work out (35 x 10^8) / (7 x 10^3). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 11x - 4 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 7.

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