Daily Practice

Higher

31st May 1991

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

1
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
2
Solving Quadratics3 marks
Solve x^2 + 6x - 16 = 0.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 12. Work out y when x = 8.
4
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -4. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
17 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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