Daily Practice · Higher

Daily Practice - Higher

5th August 1991

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
2
Equation of a Line3 marks
A line has gradient -1 and passes through (1, -4). Work out its equation.
3
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 12 cm and 6 cm with an angle of 62° between them. Work out its area, to 1 decimal place.
5
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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