Daily Practice

Higher Plus

6th April 1968

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

1
Histograms3 marks
A histogram has two bars: one 5 units wide with frequency density 0.4, one 20 units wide with density 1.4. How many values in total?
2
Bounds3 marks
A car covers 850 m (to the nearest 10 m) in 4 s (to the nearest second). Work out the lower bound of its speed, to 2 decimal places.
3
Quadratic Inequalities3 marks
Solve x^2 + x - 2 > 0.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out the positive value of x when y = 441.
5
3d Pythagoras and Trigonometry3 marks
A cuboid measures 15 cm by 15 cm by 7 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.

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