Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
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28th April 2020
- 1Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.
- 2Solving Quadratics3 marks
Solve x^2 - 49 = 0.
- 3Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 5. Write y in terms of x.
- 4Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 3. Work out the gradient of a line perpendicular to it.
- 5Conditional Probability3 marks
14 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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