Daily Practice

Higher

16th December 1979

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

1
Conditional Probability3 marks
25 students study Spanish and 12 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 7 and a maximum of 21. Work out the range.
3
Fractional and Negative Indices2 marks
Write 5^-3 as a fraction.
4
Quadratic Formula3 marks
Work out the discriminant of 4x^2 - 3x + 7 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 60. Work out y when x = 12.

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