Daily Practice

Higher

19th May 1990

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

1
Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 7.
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 72. Work out y when x = 3.
3
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 53°. Work out angle ADC.
4
Probability Trees3 marks
A bag holds 3 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Box Plots2 marks
A box plot has minimum 4, lower quartile 12, median 22, upper quartile 24 and maximum 26. Work out the interquartile range.

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