Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

5th January 2002

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 = 3, y = 63. Work out y when x = 6.
2
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
3
Conditional Probability3 marks
17 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 5, lower quartile 10, median 19, upper quartile 24 and maximum 33. Work out the interquartile range.
5
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.

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