Daily Practice · Higher

Daily Practice - Higher

10th October 1991

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

1
Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 8x + 11, work out y when x = -1.
3
Repeated Percentage Change3 marks
A town's population is 20500 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 4 cm and angle 240°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
21 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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