Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 10.
- 2Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 24. Work out y when x = 6.
- 3Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 81°. Work out angle ADC.
- 4Probability Trees3 marks
A bag holds 9 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Box Plots2 marks
A box plot has minimum 5, lower quartile 13, median 20, upper quartile 28 and maximum 32. Work out the interquartile range.
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