Daily Practice

Higher Plus

6th November 1988

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 113 and y = 52, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Trigonometric and Exponential Graphs2 marks
The curve y = cos x° is drawn for 0 <= x <= 360. Write down the value of y when x = 180.
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 108. Work out y when x = 6.
4
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = b. M is the midpoint. Write vector OM in terms of a and b.
5
Probability Equation Questions3 marks
The probability of winning a game is 1/8. A player expects 10 wins. How many games did they play?

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