Daily Practice

Higher

10th February 1972

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

1
Bounds2 marks
A mass is 24 kg, correct to 1 decimal place. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 4^x is drawn. Work out y when x = 2, and write down where the curve crosses the y-axis.
3
Repeated Percentage Change3 marks
A town's population is 36000 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.
4
Vectors3 marks
a is the column vector (-6, -3) and b is (2, 3). Work out 3a - 2b as a column vector.
5
Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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