Daily Practice

Higher

1st August 1988

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

1
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 68 values. What cumulative frequency do you read across from to estimate the lower quartile?
2
Bounds2 marks
A mass is 760 kg, correct to the nearest 10. Write down the lower bound.
3
Changing the Subject of a Formula3 marks
Make x the subject of y = 6x^2 - 8.
4
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
5
Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 121°. Work out angle ADC.

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