Daily Practice · Higher

Daily Practice - Higher

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

5th March 2012

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

1
Fractional and Negative Indices3 marks
Work out 16^(3/2).
2
Solving Quadratics3 marks
Solve x^2 + 3x - 10 = 0.
3
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
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
30 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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