Daily Practice

Higher

7th November 1959

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

1
Conditional Probability3 marks
21 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 4, lower quartile 13, median 17, upper quartile 20 and maximum 22. Work out the interquartile range.
3
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 4x^2 + 6x - 10 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. Work out y when x = 7.

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