Daily Practice · Higher

Daily Practice - Higher

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

4th August 2013

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

1
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 7. Work out the gradient of any line perpendicular to it.
2
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 5. Work out y when x = 5.
3
Enlarging with Negative Scale Factors3 marks
The point (6, -1) is enlarged by scale factor -2 about the centre (-1, -1). Write down the coordinates of the image.
4
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 5 in B only, 11 in both and 2 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has a minimum of 6 and a maximum of 25. Work out the range.

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