Daily Practice · Higher

Daily Practice - Higher

29th July 1995

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 9.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 2. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
20 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 2, lower quartile 10, median 18, upper quartile 20 and maximum 29. Work out the interquartile range.
5
Standard Form2 marks
Work out (5 x 10^3) x (2 x 10^4). Give your answer in standard form.

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