Daily Practice

Higher Plus

14th May 1969

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

1
Bounds3 marks
A rectangle is 4 cm by 18 cm, each correct to the nearest cm. Work out the upper bound of its area.
2
Completing the Square3 marks
Work out the coordinates of the turning point of y = x^2 + 6x + 2.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 25, y = 45. Work out y when x = 81.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 12 cm and 7 cm and an area of 29.70 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 8 counters, r of them red. Two are taken without replacement and P(both red) = 5/14. Work out r.

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