Daily Practice

Higher

25th September 1973

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

1
Capture Recapture3 marks
35 voles are marked and released. Later 80 are caught, of which 8 are marked. Estimate the population.
2
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 3x^2 - 12.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 75°. Work out angle ADC.

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