Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

8th June 1997

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

1
Conditional Probability3 marks
15 students study Spanish and 5 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 8 and a maximum of 62. Work out the range.
3
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
4
Quadratic Formula3 marks
Work out the discriminant of x^2 + 6x + 10 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 8. Work out y when x = 4.

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