Daily Practice · Higher

Daily Practice - Higher

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

19th December 1999

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

1
Conditional Probability3 marks
13 students study Spanish and 3 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 a minimum of 6 and a maximum of 62. Work out the range.
3
Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - x - 7, work out y when x = 5.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 72. Work out y when x = 12.

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