Daily Practice

Higher Plus

27th September 1966

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

1
Surds3 marks
Expand and simplify (6 + sqrt(2))(6 - sqrt(2)).
2
Transforming Graphs y=f(x)3 marks
The point (-1, 0) lies on y = f(x). Write down its image on y = -f(x).
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 16, y = 12. Work out y when x = 49.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 8 cm and 6 cm and an area of 12.00 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) = 3/10. Work out r.

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