Daily Practice

Higher

4th October 1970

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

1
Conditional Probability3 marks
24 students study Spanish and 6 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 12 and a maximum of 61. Work out the range.
3
Standard Form2 marks
Work out (2 x 10^8) x (9 x 10^2). Give your answer in standard form.
4
Quadratic Formula3 marks
Work out the discriminant of 3x^2 - 3x + 8 = 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 = 6. Work out y when x = 2.

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