Daily Practice
Higher
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23rd June 1991
- 1Box Plots2 marks
A box plot has a minimum of 14 and a maximum of 62. Work out the range.
- 2Bounds2 marks
A mass is 300 kg, correct to the nearest 10. Write down the lower bound.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 6x^2 - 7.
- 4Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 6. Work out y when x = 6.
- 5Circle Theorems2 marks
ABCD is a cyclic quadrilateral. Angle ABC is 99°. Work out angle ADC.
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