Daily Practice

Higher

20th April 1991

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 = 7x^2 - 3.
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 4.
3
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 59°. Work out angle ADC.
4
Probability Trees3 marks
A bag holds 4 red and 4 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 11, median 20, upper quartile 25 and maximum 33. Work out the interquartile range.

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