Daily Practice · Higher

Daily Practice - Higher

24th June 1992

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Fractional and Negative Indices3 marks
Work out 125^(2/3).
2
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
3
Speed and Density2 marks
A block has volume 50 cm^3 and density 8 g/cm^3. Work out its mass.
4
Vectors3 marks
a is the column vector (-2, 2) and b is (6, 5). Work out 2a - 2b as a column vector.
5
Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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