Daily Practice · Higher

Daily Practice - Higher

1st March 1997

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

1
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 2. Work out the gradient of any line perpendicular to it.
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 81. Work out y when x = 4.
3
Enlarging with Negative Scale Factors3 marks
The point (1, 1) is enlarged by scale factor -3 about the centre (0, 3). Write down the coordinates of the image.
4
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 10 in B only, 7 in both and 1 in neither. Work out the probability a random one is in both.
5
Box Plots2 marks
A box plot has minimum 9, lower quartile 17, median 24, upper quartile 30 and maximum 40. Work out the interquartile range.

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