Daily Practice

Higher

26th February 1989

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

1
Conditional Probability3 marks
20 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 4 and a maximum of 23. Work out the range.
3
Bounds2 marks
A mass is 9 kg, correct to the nearest whole number. Write down the upper bound.
4
Quadratic Formula3 marks
Work out the discriminant of x^2 + 5x + 9 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 8. Work out y when x = 2.

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