Daily Practice

Higher

3rd January 1987

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

1
Box Plots2 marks
A box plot has minimum 15, lower quartile 21, median 31, upper quartile 40 and maximum 50. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7171... as a fraction in its simplest form.
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 9x^2 - 8.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 225. Work out y when x = 9.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 97°. Work out angle ADC.

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