Daily Practice

Higher

19th October 1985

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 9.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 8 cm and an angle of 57°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 11, lower quartile 14, median 23, upper quartile 31 and maximum 38. Work out the interquartile range.
5
Fractional and Negative Indices2 marks
Write 9^-2 as a fraction.

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