Daily Practice

Higher

11th January 1981

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £696 including VAT at 20%. Work out the amount before VAT.
2
Solving Quadratics3 marks
Solve x^2 + 7x - 8 = 0.
3
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 15. Work out y when x = 5.
4
Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -2. Work out the gradient of a line perpendicular to it.
5
Conditional Probability3 marks
12 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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