Daily Practice · Higher Plus

Daily Practice - Higher Plus

14th January 1992

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

1
Surds3 marks
Expand and simplify (6 + sqrt(11))(6 - sqrt(11)).
2
Rearranging Harder Formulae3 marks
Make x the subject of 6x + 8 = y(x + 8).
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 36, y = 54. Work out y when x = 16.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 6 cm and 10 cm and an area of 15.00 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 5 counters, r of them red. Two are taken without replacement and P(both red) = 1/10. Work out r.

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