Daily Practice · Higher Plus

Daily Practice - Higher Plus

10th March 1996

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 1.2, one 20 units wide with density 1.4. How many values in total?
2
Bounds3 marks
x = 137 and y = 18, each correct to the nearest whole number. Work out the upper bound of x - y.
3
Quadratic Inequalities3 marks
Solve x^2 + 8x + 7 > 0.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out the positive value of x when y = 20.
5
3d Pythagoras and Trigonometry3 marks
A cuboid measures 14 cm by 6 cm by 5 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.

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