Daily Practice

Higher

23rd December 1989

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

1
Conditional Probability3 marks
28 students study Spanish and 9 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 18, median 20, upper quartile 28 and maximum 34. Work out the interquartile range.
3
Standard Form3 marks
Work out (35 x 10^10) / (5 x 10^5). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 8x - 2, work out y when x = -1.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. Work out y when x = 2.

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