Daily Practice · Higher

Daily Practice - Higher

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

28th December 2007

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 = 5x^2 - 6.
2
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 15. Work out y when x = 5.
3
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 114°. Work out angle ADC.
4
Probability Trees3 marks
A bag holds 4 red and 8 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.

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