Daily Practice

Higher Plus

21st May 1986

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

1
Bounds3 marks
A rectangle is 24 cm by 17 cm, each correct to the nearest cm. Work out the upper bound of its area.
2
Completing the Square3 marks
Write x^2 - 4x + 3 in the form (x + a)^2 + b.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 49, y = 14. Work out y when x = 25.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = c. N is the point dividing AB in the ratio 1 : 2. Write vector ON in terms of m and c.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 24 wins. How many games did they play?

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