Daily Practice · Higher Plus

Daily Practice - Higher Plus

8th April 1993

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

1
Surds3 marks
Simplify sqrt(8) + sqrt(32), giving your answer in the form a sqrt(b).
2
Transforming Graphs y=f(x)3 marks
The point (-5, 2) lies on y = f(x). Write down its image on y = f(x - 6).
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 320. Work out y when x = 3.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 14 cm and 12 cm and an area of 59.40 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 7 counters, r of them red. Two are taken without replacement and P(both red) = 10/21. Work out r.

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