Daily Practice · Higher

Daily Practice - Higher

29th March 1995

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 630 kg, correct to the nearest 10. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
3
Speed and Density2 marks
A block has volume 190 cm^3 and density 2.5 g/cm^3. Work out its mass.
4
Vectors3 marks
a is the column vector (4, -2) and b is (6, 3). Work out 2a - 4b as a column vector.
5
Probability Trees3 marks
6 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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