Daily Practice

Higher Plus

17th May 1953

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

1
Perpendicular Lines and the equation of a tangent3 marks
The point (9, 40) lies on the circle x^2 + y^2 = 1681. Work out the gradient of the tangent to the circle at that point.
2
Conditional Probability3 marks
A bag holds 7 red, 4 blue and 2 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?
3
Histograms2 marks
On a histogram, a 4-wide bar and a 12-wide bar have the same frequency density of 2. How many more values are in the wider class?
4
Bounds3 marks
x = 46 and y = 19, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Algebraic Fractions3 marks
Write 2/(x - 6) + 3/(x - 3) as a single fraction.

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