Daily Practice · Higher

Daily Practice - Higher

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

20th March 2023

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

1
Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.
2
Solving Quadratics3 marks
Solve x^2 - 16x + 64 = 0.
3
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 20%. 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
21 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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